Ratio and Proportional Parts

Solve the ratio 3:5 if the second part is 15. What is the first part?

• 12

• 9

• 7

• 10

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

• 3:2

• 1:2

• 2:2

• 2:3

If a car travels 240 miles in 4 hours, what is the ratio of miles to hours?

• 60 miles per hour

• 120 miles per hour

• 80 miles per hour

• 40 miles per hour

If a rectangle has a length of 10 cm and a width of 5 cm, what is the ratio of length to width?

• 5:1

• 2:1

• 3:1

• 4:1

If a recipe calls for 1 cup of milk and 2 cups of flour, what is the ratio of milk to flour?

• 1:1

• 1:2

• 2:1

• 3:1

If a school has 300 students and 20 teachers, what is the ratio of students to teachers?

• 15:1

• 30:1

• 10:1

• 25:1

If a car travels 360 miles in 6 hours, what is the equivalent ratio of miles to hours?

• 120 miles per hour

• 30 miles per hour

• 90 miles per hour

• 60 miles per hour

If a recipe calls for 3 cups of sugar and 4 cups of flour, what is the ratio of sugar to flour?

• 3:4

• 2:3

• 4:3

• 1:2

If a rectangle has a length of 12 cm and a width of 4 cm, what is the ratio of length to width?

• 6

• 5

• 2

• 3

If a recipe calls for 2 cups of water and 1 cup of sugar, what is the ratio of water to sugar?

• 2:1

• 2:2

• 3:1

• 1:2