Ratios Test

A recipe uses 2 cups of flour for every 3 cups of sugar. Which of the following correctly describes the ratio of flour to sugar?

• 2 to 3

• 3 to 2

• 2 to 5

• 5 to 2

In a class, the ratio of boys to girls is 4 to 5. If there are 20 boys, how many girls are there?

• 16

• 25

• 24

• 15

A bag contains red and blue marbles in a ratio of 3:7. If there are 30 blue marbles, how many red marbles are there?

• 9

• 21

• 10

• 15

• 4 apples and 5 oranges

• 6 apples and 9 oranges

• 8 apples and 10 oranges

• 3 apples and 6 oranges

A recipe calls for 2 cups of milk for every 5 cups of flour. If you want to make a larger batch using 8 cups of milk, how many cups of flour do you need to keep the ratio equivalent?

• 10

• 16

• 20

• 12

If 4 pencils cost $12, what is the cost for 1 pencil?

• $2

• $3

• $4

• $6

A car travels 180 miles using 6 gallons of gas. How many miles does the car travel per gallon?

• 20 miles

• 24 miles

• 30 miles

• 36 miles

A store sells 15 notebooks for $45. If you want to buy 7 notebooks, how much will it cost?

• $18

• $19

• $21

• $24

A runner completes 5 miles in 40 minutes. What is the runner’s speed in miles per minute?

• 0.08 miles per minute

• 0.125 miles per minute

• 8 miles per minute

• 12.5 miles per minute