Exam 6: Percents and Their Applications

In Professor Shannon's economics class there are 12 male students. Females represent 60% of the class total. How many students does Professor Shannon have in his economics class?

Barnes & Noble bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was:

Granite College has 1,200 female students. This represents 40% of the total student body. The number of male students at Granite is:

An LCD flat screen TV at Best Buy increased in price from $900 to $1,200. What was the percent of increase?

The sales tax in Bill's state is 6%. Bill bought a Scion having a sales tax of $820. What was the cost of the car? Round to the nearest dollar.

To convert a decimal to percent, divide the number by 100.

Joyce Flynn, an insurance agent, earned in her first week on the job a commission of $1,800. Her commission percent is 30%. Joyce's total sales for the week were:

To convert a percent to a decimal, drop the percent sign and move the decimal point two places to the left.