Math Workshop - Ratio, Proportions and Percents

Jamie is considering two different car rental agencies for a one-day rental. One service offers $30 per day and $0.25 per mile. The other service offers $40 per day and $0.20 per mile. At what number of miles is the cost for the two services equal?

Which of the following ratio pairs forms a proportion?

A retailer purchases sunglasses for $16 per pair and sells them for $30 in her store. What is her profit margin (also known as a markup)?

What is 11% of $250.00?

If apples cost $3.20 per pound, what is the cost of a 3-ounce apple (1 pound = 16 ounces)?

Which proportion can be used to find 17% of 95?

The legend on a map shows that 1 inch = 80 miles. The distance on the map shows that St. Louis and Little Rock are 5.05 inches apart. What is the actual distance?

If a class has 9 men and 13 women, what is the ratio of men to the class?

87% of 6,400 homeowners surveyed indicate that they have cable television. How many families have cable television?

A store has discounted its running shows by 12.5%. If the original price of the shoes was $88.00, what is the sale price?

Licorice costs $2.70 per yard or $0.11 per inch. Which is the better deal? (1 yard = 3 feet = 36 inches).

The 35 members of a committee represent 28% of a school's students. How many students attend the school?

A machine produces 4,200 metal brackets every hour. On the average, if 56 brackets each hour are defective, what percent are defective (round your answer to the nearest tenth of a percent)?

Find 14.3% of 96.