Mastering Proportions: Set Up & Cross Multiply!

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you have 8 cups of sugar, how many cups of flour do you need?

• 4 cups of flour

• 6 cups of flour

• 5.33 cups of flour

• 3 cups of flour

A car travels 150 miles on 5 gallons of gas. How many gallons of gas would it need to travel 300 miles?

• 5 gallons

• 10 gallons

• 15 gallons

• 20 gallons

If 4 notebooks cost $12, how much would 10 notebooks cost?

• $30

• $15

• $36

• $24

A map shows that 2 inches represent 50 miles. How many miles does 5 inches represent?

• 150 miles

• 75 miles

• 125 miles

• 100 miles

If 3 apples cost $1.50, how much do 8 apples cost?

• $2.50

• $3.00

• $4.00

• $5.00

A school has a ratio of 12 boys to 8 girls. If there are 24 boys, how many girls are there?

• 12

• 20

• 18

• 16

If a recipe requires 3 tablespoons of oil for every 2 cups of rice, how much oil is needed for 8 cups of rice?

• 6 tablespoons

• 10 tablespoons

• 15 tablespoons

• 12 tablespoons

A car can travel 180 miles on 6 gallons of gas. How far can it travel on 10 gallons?

• 300 miles

• 150 miles

• 360 miles

• 240 miles

If 5 pounds of potatoes cost $3.75, how much would 12 pounds cost?

• $12.50

• $9.00

• $7.50

• $6.25

A painter can paint 4 rooms in 2 days. How many rooms can he paint in 5 days?

• 10 rooms

• 6 rooms

• 12 rooms

• 8 rooms