Proportion Puzzles: Set Up & Solve for Unknowns

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?

• 5 cups of flour

• 2 cups of flour

• 3.33 cups of flour

• 4 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?

• 20 gallons

• 10 gallons

• 5 gallons

• 15 gallons

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

• $36

• $24

• $15

• $30

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

• 125 miles

• 150 miles

• 100 miles

• 75 miles

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

• $5.00

• $3.00

• $4.00

• $2.50

A recipe requires 1/4 cup of oil for every 2 cups of flour. How much oil is needed for 6 cups of flour?

• 3/4 cup of oil

• 2 cups of oil

• 1 cup of oil

• 1/2 cup of oil

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

• $14

• $20

• $12

• $16

A car can travel 240 miles on 8 gallons of gas. How far can it travel on 12 gallons?

• 240 miles

• 300 miles

• 360 miles

• 480 miles

If 6 pencils cost $3, how much do 15 pencils cost?

• $4.50

• $10.00

• $5.00

• $7.50

A scale model of a building is 1/100th the size of the actual building. If the model is 2 feet tall, how tall is the actual building?

• 200 feet

• 150 feet

• 100 feet

• 50 feet