Solving Proportions: Real-Life Applications for 7th Grade

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you want to use 8 cups of sugar, how many cups of flour do you need? Write an equation for the proportion and solve it.

• 5.33 cups of flour

• 3 cups of flour

• 6 cups of flour

• 4 cups of flour

A car travels 150 miles on 5 gallons of gas. How many miles can it travel on 8 gallons of gas? Write an equation for the proportion and solve it.

• 200 miles

• 240 miles

• 180 miles

• 300 miles

If 4 notebooks cost $12, how much would 10 notebooks cost? Write an equation for the proportion and solve it.

• $24

• $36

• $18

• $30

A map shows that 1 inch represents 20 miles. If two cities are 3 inches apart on the map, how far apart are they in real life? Write an equation for the proportion and solve it.

• 100 miles

• 40 miles

• 60 miles

• 80 miles

A gardener uses 3 liters of water for every 5 plants. How much water is needed for 15 plants? Write an equation for the proportion and solve it.

• 9 liters

• 12 liters

• 15 liters

• 6 liters

If a car can travel 240 miles on 8 gallons of gas, how many gallons are needed to travel 360 miles? Write an equation for the proportion and solve it.

• 15 gallons

• 12 gallons

• 10 gallons

• 8 gallons

A recipe requires 5 eggs for every 2 cups of milk. If you have 15 eggs, how many cups of milk can you use? Write an equation for the proportion and solve it.

• 8 cups of milk

• 10 cups of milk

• 4 cups of milk

• 6 cups of milk

A school has a ratio of 3 teachers for every 20 students. If there are 60 students, how many teachers are there? Write an equation for the proportion and solve it.

• 6

• 15

• 12

• 9

If 7 pounds of apples cost $14, how much would 10 pounds cost? Write an equation for the proportion and solve it.

• $25

• $18

• $20

• $15

A car can travel 300 miles on 10 gallons of gas. How many miles can it travel on 15 gallons? Write an equation for the proportion and solve it.

• 500 miles

• 300 miles

• 375 miles

• 450 miles