Real-Life Proportions: Solving and Checking Word Problems

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

• 2 cups of flour

• 3 cups of flour

• 5 cups of flour

• 4 cups of flour

A car travels 150 miles on 5 gallons of gas. How many gallons of gas will it need to travel 300 miles?

• 5 gallons

• 10 gallons

• 20 gallons

• 15 gallons

In a school, the ratio of boys to girls is 4:5. If there are 20 boys, how many girls are there?

• 25

• 15

• 30

• 20

A map shows that 1 inch represents 10 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?

• 30 miles

• 25 miles

• 20 miles

• 15 miles

A gardener uses 3 liters of water for every 2 plants. If he has 12 plants, how many liters of water does he need?

• 24 liters

• 12 liters

• 18 liters

• 6 liters

A recipe requires 4 eggs for 8 servings. How many eggs are needed for 20 servings?

• 12 eggs

• 8 eggs

• 10 eggs

• 6 eggs

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

• 360 miles

• 240 miles

• 300 miles

• 480 miles

In a class, the ratio of students who like math to those who like science is 3:2. If there are 15 students who like math, how many like science?

• 5

• 8

• 10

• 12

A recipe uses 5 cups of rice for 10 servings. How many cups of rice are needed for 25 servings?

• 20 cups

• 15 cups

• 10 cups

• 12.5 cups

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

• 5

• 7

• 10

• 8