Real-Life Ratios: Proportions in Everyday Situations

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

• 4 cups of flour

• 6 cups of flour

• 3 cups of flour

If a car travels 150 miles on 5 gallons of gas, how many miles can it travel on 8 gallons of gas?

• 300 miles

• 180 miles

• 240 miles

• 200 miles

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?

• 60 miles

• 100 miles

• 80 miles

• 40 miles

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

• 30

• 15

• 25

• 20

A recipe requires 3 eggs for every 4 cups of milk. If you have 12 cups of milk, how many eggs do you need?

• 9

• 15

• 12

• 6

If a store sells 3 shirts for $45, how much would 5 shirts cost at the same rate?

• $90

• $75

• $100

• $60

A gardener plants 2 rows of flowers for every 3 rows of vegetables. If there are 12 rows of vegetables, how many rows of flowers are there?

• 6

• 8

• 4

• 10

A car can travel 240 miles on 8 gallons of gas. How many gallons of gas would it need to travel 360 miles?

• 10 gallons

• 15 gallons

• 8 gallons

• 12 gallons

In a school, the ratio of teachers to students is 1:15. If there are 30 teachers, how many students are there?

• 4500

• 300

• 600

• 450

If a recipe that serves 4 people requires 2 cups of rice, how many cups of rice are needed to serve 10 people?

• 3 cups

• 4 cups

• 6 cups

• 5 cups