Mastering Proportions: Cross-Multiplication Challenges

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

• 2 cups of flour

• 6 cups of flour

• 5.33 cups of flour

A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 8 gallons of gas?

• 240 miles

• 300 miles

• 180 miles

• 200 miles

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

• $15

• $24

• $36

• $30

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

• 100 miles

• 150 miles

• 75 miles

• 125 miles

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

• $5.00

• $3.00

• $2.50

• $4.00

A school has a ratio of 12 boys to 8 girls. If there are 40 boys, how many girls are there?

• 32

• 15

• 27

• 20

A recipe requires 3 tablespoons of oil for every 2 cups of rice. How much oil is needed for 5 cups of rice?

• 7.5 tablespoons

• 5 tablespoons

• 10 tablespoons

• 2 tablespoons

If 6 pounds of oranges cost $3.60, how much would 10 pounds cost?

• $6.00

• $5.40

• $4.50

• $7.20

A car can travel 240 miles on 8 gallons of gas. How many gallons are needed to travel 360 miles?

• 12 gallons

• 8 gallons

• 15 gallons

• 10 gallons

If 5 pounds of potatoes cost $2.50, how much would 12 pounds cost?

• $5.25

• $6.00

• $8.00

• $4.50