Ratio and Proportion Puzzles: Find the Missing Values!

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

• 4 cups of flour

• 2 cups of flour

• 6 cups of flour

• 3 cups of flour

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

• 25

• 30

• 20

• 15

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

• 240 miles

• 180 miles

• 200 miles

• 300 miles

If 3 apples cost $1.50, how much would 8 apples cost at the same rate?

• $4.00

• $2.50

• $5.00

• $3.50

A map shows that 1 inch represents 10 miles. If two cities are 4 inches apart on the map, how far apart are they in real life?

• 20 miles

• 100 miles

• 50 miles

• 40 miles

In a fruit basket, the ratio of oranges to apples is 2:3. If there are 12 oranges, how many apples are there?

• 15

• 21

• 24

• 18

A recipe requires 4 tablespoons of oil for every 2 cups of rice. How much oil is needed for 5 cups of rice?

• 10 tablespoons of oil

• 12 tablespoons of oil

• 8 tablespoons of oil

• 6 tablespoons of oil

If a car can travel 240 miles on 8 gallons of gas, how many gallons are needed to travel 360 miles?

• 12 gallons

• 8 gallons

• 15 gallons

• 10 gallons

The ratio of cats to dogs in a shelter is 3:2. If there are 15 cats, how many dogs are there?

• 12

• 8

• 10

• 5

A school has a ratio of 5 teachers for every 30 students. If there are 60 students, how many teachers are needed?

• 5

• 15

• 20

• 10