Exploring Proportional Relationships in Real-Life Problems

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you use 6 cups of sugar, how many cups of flour do you need?

• 3 cups of flour

• 2 cups of flour

• 4 cups of flour

• 6 cups of flour

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

• 300 miles

• 200 miles

• 180 miles

• 240 miles

If 4 apples cost $2, how much would 10 apples cost? Is this a proportional relationship?

• $5.00

• $10.00

• $3.00

• $7.50

A school has 300 students, and 75 of them are in the band. What is the ratio of band members to total students? Is this proportional?

• 1:5

• 1:3

• 2:3

• 1:4

A painter can paint 3 rooms in 2 hours. How many rooms can he paint in 5 hours?

• 12 rooms

• 7.5 rooms

• 5 rooms

• 10 rooms

If a 12-ounce bottle of soda costs $1.20, how much would a 20-ounce bottle cost if the price is proportional?

• $1.50

• $1.80

• $2.50

• $2.00

A recipe requires 5 tablespoons of oil for every 10 cups of flour. If you use 15 cups of flour, how much oil do you need?

• 5 tablespoons of oil

• 10 tablespoons of oil

• 7.5 tablespoons of oil

• 2.5 tablespoons of oil

A car can travel 240 miles on 8 gallons of gas. If it travels 300 miles, how many gallons of gas will it use?

• 8 gallons

• 12 gallons

• 10 gallons

• 5 gallons

If a store sells 3 shirts for $45, how much would 10 shirts cost? Is this a proportional relationship?

• $90

• $150

• $120

• $200

A gardener plants 2 rows of flowers for every 5 rows of vegetables. If he plants 15 rows of vegetables, how many rows of flowers does he plant?

• 10

• 6

• 8

• 4