Ratios & Proportions Review

Which two types of cars have equivalent ratios of miles traveled to gallons of gas used?

• Honda and Dodge

• Toyota and Honda

Solve for x 

• x = 16

• x = 28

• x = 1/26

• x = 26

If a recipe requires 3 cups of flour for every 4 cups of sugar, how many cups of flour are needed for 6 cups of sugar?

• 4.5 cups

• 9 cups

• 4 cups

• 2 cups

A map scale shows that 2 inches equals 5 miles. How many miles would be represented by 7 inches on this map?

• 17.5 miles

• 15 miles

• 12.5 miles

• 10 miles

If the ratio of the width to the length of a rectangle is 3:5, and the length is 20 in, what is the width of the rectangle?

• 8 in

• 12 in

• 15 in

• 10 in

In a certain shade of paint, blue and yellow are mixed in a ratio of 2:3. If 4 quarts of blue paint are used, how many quarts of yellow paint should be mixed with it?

• 2 qts

• 6 qts

• 5 qts

• 3 qts

A car travels 300 miles on 10 gallons of gasoline. What is the car's fuel efficiency in miles per gallon?

• 30 miles/gallon

• 25 miles/gallon

• 20 miles/gallon

• 35 miles/gallon

If a school's student to teacher ratio is 20:1, and there are 480 students, how many teachers are there?

• 24 teachers

• 20 teachers

• 23 teachers

• 25 teachers

A mixture requires a ratio of water to vinegar of 4:1. How much vinegar is needed if 20 gallons of water is used?

• 4 gal

• 5 gal

• 6 gal

• 8 gal

In a certain company, the ratio of managers to employees is 1:10. If there are 100 employees in total at the company, how many managers are there?

• 10 managers

• 11 managers

• 9 managers

• 100 managers