Understanding Ratios and Rates

A recipe calls for 3 cups of flour for every 2 cups of sugar. What is the ratio of flour to sugar?

• 2:3

• 3:2

• 1:2

• 2:1

If a car travels 180 miles in 3 hours, what is the unit rate in miles per hour?

• 30 miles per hour

• 60 miles per hour

• 90 miles per hour

• 180 miles per hour

A class has 12 boys and 16 girls. What is the ratio of boys to girls?

• 3:4

• 4:3

• 12:16

• 16:12

A store sells 8 apples for $4. What is the cost per apple?

• $0.25

• $0.50

• $1.00

• $2.00

If a person walks 12 miles in 4 hours, what is the unit rate in miles per hour?

• 2 miles per hour

• 3 miles per hour

• 4 miles per hour

• 6 miles per hour

A bag contains 5 red marbles and 10 blue marbles. What is the ratio of red marbles to total marbles?

• 1:2

• 1:3

• 1:4

• 2:3

A car travels 150 miles using 5 gallons of gas. How many miles per gallon does the car get?

• 20 miles per gallon

• 25 miles per gallon

• 30 miles per gallon

• 35 miles per gallon

If 4 notebooks cost $8, how much would 10 notebooks cost at the same rate?

• $16

• $20

• $24

• $28

A recipe uses 2 cups of sugar for every 5 cups of flour. How much sugar is needed if you use 15 cups of flour?

• 5 cups

• 6 cups

• 7 cups

• 8 cups

A train travels 300 miles in 5 hours. What is the train's speed in miles per hour?

• 50 miles per hour

• 60 miles per hour

• 70 miles per hour

• 80 miles per hour