Mastering Ratio and Proportion

What is the ratio of 4 apples to 6 oranges?

• 2:3

• 4:5

• 3:4

• 1:2

If 3/4 of a pizza is left and you eat 1/4, what ratio of the pizza is left?

• 5/8

• 1/2

• 9/16

• 3/8

Identify the equivalent ratio: 2:3, 4:6, or 5:7?

• 4:6

• 1:2

• 6:8

• 3:5

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

• 1:2

• 4:3

• 2:3

• 3:2

A car travels 150 miles on 5 gallons of gas. What is the ratio of miles to gallons?

• 15:1

• 25:1

• 40:1

• 30:1

If 5 pencils cost $2, how much would 15 pencils cost?

• $10.00

• $8.00

• $4.00

• $6.00

What is the missing value in the proportion 3:4 = x:12?

• 6

• 9

• 8

• 10

If the ratio of boys to girls in a class is 2:3, how many girls are there if there are 10 boys?

• 12

• 20

• 15

• 18

Which is greater: the ratio 1:2 or 3:5?

• 2:3

• 4:5

• 3:5

• 1:1

If a map has a scale of 1:100, what is the real distance for 2 inches on the map?

• 100 inches

• 200 inches

• 250 inches

• 150 inches