Question 1

If Jesse can do a job in 4 hours and Mia can do the same job in 3 hours, what is the ratio of the rate of work of Jesse to that of Mia?

Accepted Answer

A)  $\frac { 3 } { 4 }$ 
B)  $\frac { 7 } { 3 }$ 
C)  $\frac { 4 } { 3 }$ 
D)  $\frac { 7 } { 4 }$ 
E)  $\frac { 1 } { 3 }$ 
A)  $\frac { 3 } { 4 }$ 
B)  $\frac { 7 } { 3 }$ 
C)  $\frac { 4 } { 3 }$ 
D)  $\frac { 7 } { 4 }$ 
E)  $\frac { 1 } { 3 }$

Question 2

After the first day of registration, 135 children had been enrolled in a new day care center. That represented 30% of the available slots. What was the maximum number of children the center could enroll? 
__________ children

Accepted Answer

The answer of After the first day of registration, 135...

Question 3

Write the percent as a simplified fraction. In 1991 unemployment in a certain city had spiraled to 13 thousand, making the unemployment figure jump by 350%.

Accepted Answer

A)  $3 \frac { 1 } { 20 }$ 
B)  $\frac { 13 } { 100 }$ 
C)  $3 \frac { 1 } { 2 }$ 
D)  $\frac { 1 } { 2 }$ 
E)  $\frac { 7 } { 20 }$ 
A)  $3 \frac { 1 } { 20 }$ 
B)  $\frac { 13 } { 100 }$ 
C)  $3 \frac { 1 } { 2 }$ 
D)  $\frac { 1 } { 2 }$ 
E)  $\frac { 7 } { 20 }$

Question 4

An airplane flies 1,640 miles in 4 hours. How far will it fly in 6 hours? 
__________ mi

Accepted Answer

The answer of An airplane flies 1,640 miles in 4...

Question 5

Solve the proportion. $$\frac { M } { 4 } = \frac { 4 \frac { 1 } { 2 } } { 6 }$$ M = __________

Accepted Answer

The answer of Solve the proportion. \[\frac { M }...

Question 6

Write the following ratio as a fraction in lowest terms. The ratio of dogs to cats is 9 to 2.

Accepted Answer

A)  $\frac{9}{2}$ 
B)  $\frac{1}{2}$ 
C)  $\frac{2}{9}$ 
D)  $\frac{18}{1}$ 
E)  $\frac{1}{9}$ 
A)  $\frac{9}{2}$ 
B)  $\frac{1}{2}$ 
C)  $\frac{2}{9}$ 
D)  $\frac{18}{1}$ 
E)  $\frac{1}{9}$

Question 7

Grades in a classroom are often given according to the percentage score obtained by the student. Suppose that a teacher grades according to the following scheme, where all scores are rounded to the nearest percent: A $\quad 90 \% - 100 \%$
B $80 \% - 89 \%$
C $65 \% - 79 \%$
D $50 \% - 64 \%$
$\mathrm { F } \quad 0 \% - 49 \%$ To determine a percent grade, form a ratio of score received to possible score and then write this ratio as a percent. Calculate the percent (nearest percent) and determine the letter grade for each score. The student gets 612 answers right out of a possible 1,200. What is the letter grade?

Accepted Answer

A)  D 
B)  A 
C)  C 
D)  B 
E)  F 
A)  D 
B)  A 
C)  C 
D)  B 
E)  F

Question 8

Write the number $0.085$ as a percent.

Accepted Answer

A)  850% 
B)  8.5% 
C)  0.85% 
D)  0.085% 
E)  85% 
A)  850% 
B)  8.5% 
C)  0.85% 
D)  0.085% 
E)  85%

Question 9

Estimate the percentage. 25% of 391

Accepted Answer

A)  $977.5$ 
B)  $100$ 
C)  $130$ 
D)  $78$ 
E)  $780$ 
A)  $977.5$ 
B)  $100$ 
C)  $130$ 
D)  $78$ 
E)  $780$

Question 10

Write the following ratio as a fraction in lowest terms. 
The ratio of peanuts to cashews is 12 to 138.

Accepted Answer

The answer of Write the following ratio as a fraction...

Question 11

Change the given form into the two missing forms.

Accepted Answer

The answer of Change the given form into the two...

Question 12

Which pair of ratios forms a proportion?

Accepted Answer

A)  $\frac { 1 } { 3 } , \frac { 1 } { 6 }$ 
B)  $\frac { 1 } { 6 } , \frac { 25 } { 150 }$ 
C)  $\frac { 1 } { 6 } , \frac { 25 } { 144 }$ 
D)  $\frac { 150 } { 25 } , \frac { 25 } { 150 }$ 
E)  $\frac { 2 } { 7 } , \frac { 24 } { 150 }$ 
A)  $\frac { 1 } { 3 } , \frac { 1 } { 6 }$ 
B)  $\frac { 1 } { 6 } , \frac { 25 } { 150 }$ 
C)  $\frac { 1 } { 6 } , \frac { 25 } { 144 }$ 
D)  $\frac { 150 } { 25 } , \frac { 25 } { 150 }$ 
E)  $\frac { 2 } { 7 } , \frac { 24 } { 150 }$

Question 13

Grades in a classroom are often given according to the percentage score obtained by the student. Suppose that a teacher grades according to the following scheme, where all scores are rounded to the nearest percent: A $\quad 90 \% - 100 \%$
B $80 \% - 89 \%$
C $65 \% - 79 \%$
D $50 \% - 64 \%$
$\mathrm { F } \quad 0 \% - 49 \%$ To determine a percent grade, form a ratio of score received to possible score and then write this ratio as a percent. Calculate the percent (nearest percent) and determine the letter grade for each score. The student gets 1,190 answers right out of a possible 1,400. What is the percent score? __________% What is the letter grade? __________

Accepted Answer

The answer of Grades in a classroom are often given...

Question 14

A family of four budgeted the following amounts for some of their monthly bills, where a = $350, b = $70, c = $190, d = $210.   What is the ratio of the house payment to the food bill?

Accepted Answer

A)  $\frac { 5 } { 3 }$ 
B)  $\frac { 14 } { 1 }$ 
C)  $\frac { 21 } { 19 }$ 
D)  $\frac{3}{5}$ 
E)  $\frac { 19 } { 350 }$ 
A)  $\frac { 5 } { 3 }$ 
B)  $\frac { 14 } { 1 }$ 
C)  $\frac { 21 } { 19 }$ 
D)  $\frac{3}{5}$ 
E)  $\frac { 19 } { 350 }$

Question 15

If you drive $297$ miles on $13 \frac { 1 } { 2 }$ gallons of gas, what is the simplified ratio of miles to gallons?

Accepted Answer

The answer of If you drive $297$ miles on \(13...

Question 16

Change the percent to a fraction in lowest terms. 
225%

Accepted Answer

The answer of Change the percent to a fraction in...

Question 17

Solve the proportion. $$\frac { 7 } { 10 } = \frac { 7 } { x }$$ $$x =$$ __________

Accepted Answer

The answer of Solve the proportion. \[\frac { 7 }...

Question 18

Read the proportion and name the means and extremes. $\frac { 30 } { b } = \frac { c } { 6 }$ The means are ----$\text { and }$--- . The extremes are --------$\text { and }$---------- .

Accepted Answer

The answer of Read the proportion and name the means...

Question 19

Estimate the percentage. $$50 \% \text { of } 2,340$$

Accepted Answer

A)  $5,850$ 
B)  $1,150$ 
C)  $234$ 
D)  $585$ 
E)  $11.7$ 
A)  $5,850$ 
B)  $1,150$ 
C)  $234$ 
D)  $585$ 
E)  $11.7$

Question 20

Solve the proportion. $$\frac { \frac { 2 } { 5 } } { X } = \frac { \frac { 1 } { 5 } } { 8 }$$ $$X =$$ __________

Accepted Answer

The answer of Solve the proportion. \[\frac { \frac {...

If Jesse can do a job in 4 hours and Mia can do the same job in 3 hours, what is the ratio of the rate of work of Jesse to that of Mia?

After the first day of registration, 135 children had been enrolled in a new day care center. That represented 30% of the available slots. What was the maximum number of children the center could enroll? __________ children

Write the percent as a simplified fraction. In 1991 unemployment in a certain city had spiraled to 13 thousand, making the unemployment figure jump by 350%.

An airplane flies 1,640 miles in 4 hours. How far will it fly in 6 hours? __________ mi

Solve the proportion. $\frac { M } { 4 } = \frac { 4 \frac { 1 } { 2 } } { 6 }$ M = __________

Write the following ratio as a fraction in lowest terms. The ratio of dogs to cats is 9 to 2.

Write the number $0.085$ as a percent.

Estimate the percentage. 25% of 391

Write the following ratio as a fraction in lowest terms. The ratio of peanuts to cashews is 12 to 138.

Change the given form into the two missing forms.

Which pair of ratios forms a proportion?

A family of four budgeted the following amounts for some of their monthly bills, where a = $350, b = $70, c = $190, d = $210. What is the ratio of the house payment to the food bill?

If you drive $297$ miles on $13 \frac { 1 } { 2 }$ gallons of gas, what is the simplified ratio of miles to gallons?

Change the percent to a fraction in lowest terms. 225%

Solve the proportion. $\frac { 7 } { 10 } = \frac { 7 } { x }$ $x =$ __________

Read the proportion and name the means and extremes. $\frac { 30 } { b } = \frac { c } { 6 }$ The means are ---- $\text { and }$ --- . The extremes are -------- $\text { and }$ ---------- .

Estimate the percentage. $50 \% \text { of } 2,340$

Solve the proportion. $\frac { \frac { 2 } { 5 } } { X } = \frac { \frac { 1 } { 5 } } { 8 }$ $X =$ __________

Arithmetic, Calculators, and Problem Solving

Sets of Numbers

Introduction to Algebra

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Graphs

Filters

Exam 4: Percents and Problem Solving

If Jesse can do a job in 4 hours and Mia can do the same job in 3 hours, what is the ratio of the rate of work of Jesse to that of Mia?

After the first day of registration, 135 children had been enrolled in a new day care center. That represented 30% of the available slots. What was the maximum number of children the center could enroll? __________ children

Write the percent as a simplified fraction. In 1991 unemployment in a certain city had spiraled to 13 thousand, making the unemployment figure jump by 350%.

An airplane flies 1,640 miles in 4 hours. How far will it fly in 6 hours? __________ mi

Solve the proportion. M4=4126\frac { M } { 4 } = \frac { 4 \frac { 1 } { 2 } } { 6 }4M​=6421​​ M = __________

Write the following ratio as a fraction in lowest terms. The ratio of dogs to cats is 9 to 2.

Write the number 0.0850.0850.085 as a percent.

Estimate the percentage. 25% of 391

Write the following ratio as a fraction in lowest terms. The ratio of peanuts to cashews is 12 to 138.

Change the given form into the two missing forms.

Which pair of ratios forms a proportion?

A family of four budgeted the following amounts for some of their monthly bills, where a = $350, b = $70, c = $190, d = $210. What is the ratio of the house payment to the food bill?

If you drive 297297297 miles on 131213 \frac { 1 } { 2 }1321​ gallons of gas, what is the simplified ratio of miles to gallons?

Change the percent to a fraction in lowest terms. 225%

Solve the proportion. 710=7x\frac { 7 } { 10 } = \frac { 7 } { x }107​=x7​ x=x =x= __________

Read the proportion and name the means and extremes. 30b=c6\frac { 30 } { b } = \frac { c } { 6 }b30​=6c​ The means are ---- and \text { and } and --- . The extremes are -------- and \text { and } and ---------- .

Estimate the percentage. 50% of 2,34050 \% \text { of } 2,34050% of 2,340

Solve the proportion. 25X=158\frac { \frac { 2 } { 5 } } { X } = \frac { \frac { 1 } { 5 } } { 8 }X52​​=851​​ X=X =X= __________

Arithmetic, Calculators, and Problem Solving

Sets of Numbers

Introduction to Algebra

Introduction to Geometry

Measurement and Problem Solving

Applications of Percent

Sets and Logic

Probability

Statistics

Graphs

Filters

Solve the proportion. $\frac { M } { 4 } = \frac { 4 \frac { 1 } { 2 } } { 6 }$ M = __________

Write the number $0.085$ as a percent.

If you drive $297$ miles on $13 \frac { 1 } { 2 }$ gallons of gas, what is the simplified ratio of miles to gallons?

Solve the proportion. $\frac { 7 } { 10 } = \frac { 7 } { x }$ $x =$ __________

Read the proportion and name the means and extremes. $\frac { 30 } { b } = \frac { c } { 6 }$ The means are ---- $\text { and }$ --- . The extremes are -------- $\text { and }$ ---------- .

Estimate the percentage. $50 \% \text { of } 2,340$

Solve the proportion. $\frac { \frac { 2 } { 5 } } { X } = \frac { \frac { 1 } { 5 } } { 8 }$ $X =$ __________