Mastering Ratios and Rates Quiz

If there are 4 red marbles to every 5 blue marbles in a bag, how many red marbles are there if you have 20 blue marbles?

• 16

• 20

• 25

• 32

A car travels 150 miles in 3 hours. What is the rate of the car in miles per hour?

• 45 mph

• 50 mph

• 55 mph

• 60 mph

What is the equivalent ratio of 3:4?

• 6:8

• 9:12

• Both A and B

• None of the above

If a recipe calls for 2 cups of sugar for every 3 cups of flour, how many cups of sugar are needed if you use 9 cups of flour?

• 4

• 5

• 6

• 7

A printer prints 240 pages in 8 minutes. What is the rate of the printer in pages per minute?

• 30

• 28

• 32

• 35

For every 8 ounces of steak, a chef uses 3 ounces of seasoning. How much seasoning is needed for 24 ounces of steak?

• 6 ounces

• 9 ounces

• 12 ounces

• 15 ounces

A map scale shows 1 inch equals 5 miles. How many miles are represented by 7 inches on the map?

• 30 miles

• 35 miles

• 40 miles

• 45 miles

If 6 notebooks cost $9, what is the cost per notebook?

• $1.00

• $1.50

• $2.00

• $2.50

A ratio of boys to girls in a class is 3:5. If there are 20 girls, how many boys are there?

• 8

• 12

• 15

• 18

A bicycle travels 90 kilometers in 3 hours. What is the average speed of the bicycle in kilometers per hour?

• 25 km/h

• 30 km/h

• 35 km/h

• 40 km/h