Exam 5: Solving for the Unknown: a How-To Approach for Solving Equations

1/4B - 10 = 7; B = 67.

Mike and Bill sell cars for Jangle's Auto. Over the past year they sold 640 cars. Assuming Mike sells 3 times as many as Bill, how many cars did Mike sell?

Solve the following: 1,000(X - 2) = 75,000

The Computer Store sells diskettes ($2) and boxes of computer paper ($7). If total sales were $184 and customers bought 8 times as many diskettes as boxes of computer paper, what would be the number of each sold? A. 64 Boxes of diskettes B. 8 Boxes of paper

7G = 112; G equals:

Jane sells 8 times as many Volvos as Melissa. If the difference in their sales is 35, how many cars did Jane sell?

2,000(A - 5) = 110,000; A equals:

4C stands for twice Cathy's age.

Jim Murray and Al Sming sold a total of 600 camcorders. Jim sold 5 times as many camcorders as Al. How many did each sell?

B/30 = 9; B = 270.

An equation is:

20(C - 9) means the 20 is multiplied only times the C to clear the parentheses.

2(V- 8) = 90; V = 53.

8G = 96; G equals:

In Ryan Corporation, the first shift produced 5 1/2 times as many light bulbs as the second shift. If the total light bulbs produced were 16,250, how many light bulbs were produced on shift 1?

Dolls cost $140 per carton, and trucks cost $430 per carton. If an order comes in for a total of 100 cartons for $28,500, what was the number of cartons of dolls? (Hint: Let T = cartons of dolls.)

Scholastic Books sells 4 times as many textbooks as Keller Publishing; together they sold 7,775 textbooks. How many did Scholastic sell?

7B - 70 = 140

1/7 of all sales were for cash. If cash sales were $28,000, what were the total sales?

Rick and Ranger sell Toyotas for Tom's Auto. Over the past year they sold 360 cars. Assuming Rick sells 5 times as many as Ranger, how many Toyotas did Ranger sell?