Proportions & Equations: Cross-Multiplication Quest

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you have 5 cups of sugar, how many cups of flour do you need?

• 1.5 cups of flour

• 2 cups of flour

• 4 cups of flour

• 3.33 cups of flour

A car travels 150 miles on 5 gallons of gas. How many gallons of gas are needed to travel 240 miles?

• 10 gallons

• 6 gallons

• 12 gallons

• 8 gallons

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

• $24

• $36

• $15

• $30

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

• 75 miles

• 150 miles

• 100 miles

• 125 miles

If a recipe requires 3 eggs for every 2 cups of milk, how many eggs are needed for 8 cups of milk?

• 12

• 10

• 8

• 6

A school has a ratio of 3 teachers for every 20 students. If there are 60 students, how many teachers are there?

• 9 teachers

• 15 teachers

• 6 teachers

• 12 teachers

If 5 pounds of apples cost $10, how much would 8 pounds cost?

• $14

• $20

• $16

• $12

A car can travel 300 miles on 10 gallons of gas. How many gallons are needed to travel 450 miles?

• 12 gallons

• 20 gallons

• 15 gallons

• 10 gallons

If 7 oranges cost $3.50, how much would 10 oranges cost?

• $6.00

• $4.50

• $5.00

• $3.00

A recipe uses 4 cups of water for every 5 cups of rice. How many cups of water are needed for 15 cups of rice?

• 10 cups of water

• 8 cups of water

• 15 cups of water

• 12 cups of water