Mastering Ratios and 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

• 3 cups of flour

• 4 cups of flour

• 5 cups of flour

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

• 200 miles

• 300 miles

• 240 miles

• 180 miles

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

• 30

• 20

• 25

• 15

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?

• 15 miles

• 25 miles

• 30 miles

• 20 miles

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

• 12

• 6

• 15

• 9

A school has a ratio of 3 teachers for every 20 students. If there are 60 students, how many teachers are there?

• 15

• 12

• 6

• 9

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

• 15 gallons

• 8 gallons

• 12 gallons

• 10 gallons

A fruit stand sells apples and oranges in a ratio of 2:3. If there are 30 oranges, how many apples are there?

• 25

• 20

• 35

• 15

In a painting, the ratio of blue paint to red paint is 5:2. If you use 10 cups of blue paint, how much red paint do you need?

• 4 cups of red paint

• 8 cups of red paint

• 2 cups of red paint

• 6 cups of red paint

A recipe for cookies uses 4 cups of flour for every 2 cups of sugar. If you want to use 10 cups of flour, how much sugar do you need?

• 3 cups of sugar

• 5 cups of sugar

• 2 cups of sugar

• 8 cups of sugar