Mastering Ratios: Comparing & Solving Proportions

A recipe calls for 2 cups of flour and 3 cups of sugar. What is the ratio of flour to sugar?

• 1:2

• 2:3

• 3:2

• 2:1

If a car travels 150 miles using 5 gallons of gas, what is the ratio of miles to gallons?

• 40:1

• 30:1

• 25:1

• 15:1

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

• 25

• 15

• 20

• 30

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 miles?

• 30 miles

• 25 miles

• 15 miles

• 20 miles

If 3 apples cost $1.50, how much would 8 apples cost?

• $3.00

• $2.50

• $4.00

• $5.00

A school has a ratio of 2 teachers for every 25 students. If there are 100 students, how many teachers are needed?

• 4 teachers

• 8 teachers

• 10 teachers

• 6 teachers

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

• 6

• 8

• 12

• 10

A recipe requires 4 cups of water for every 2 cups of rice. How many cups of water are needed for 6 cups of rice?

• 8 cups of water

• 10 cups of water

• 14 cups of water

• 12 cups of water

If a car can travel 240 miles on 8 gallons of gas, how many miles can it travel on 5 gallons?

• 150 miles

• 300 miles

• 100 miles

• 200 miles

The ratio of cats to dogs in a shelter is 5:3. If there are 15 cats, how many dogs are there?

• 12

• 15

• 6

• 9