Mastering Ratios and Proportions

What is the ratio of 4 to 8?

• 1 to 4

• 2 to 1

• 1 to 2

• 4 to 6

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

• 2:3

• 2:1

• 1:2

• 3:2

Simplify the ratio 15:25.

• 2:5

• 4:5

• 3:5

• 1:3

If 3 apples cost $1.50, how much do 9 apples cost?

• $4.50

• $6.00

• $3.00

• $2.25

Find the equivalent ratio of 2:5.

• 1:3

• 6:15

• 3:8

• 4:10

If a car travels 60 miles in 1 hour, what is the ratio of miles to hours?

• 60:1

• 30:1

• 120:1

• 60:2

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

• 3:4

• 1:2

• 2:3

• 4:5

If 5 pencils cost $2.50, how much do 20 pencils cost?

• $12.50

• $10.00

• $7.50

• $5.00

What is the simplified form of the ratio 18:24?

• 1:2

• 2:3

• 4:5

• 3:4

If the ratio of cats to dogs is 3:4, how many dogs are there if there are 9 cats?

• 10

• 15

• 8

• 12