Mastering Ratios and Proportions in Everyday Life

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?

• 5 cups of flour

• 3 cups of flour

• 4 cups of flour

• 2 cups of flour

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

• 10 gallons

• 20 gallons

• 15 gallons

• 5 gallons

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

• 30

• 25

• 15

• 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?

• 20 miles

• 25 miles

• 30 miles

• 15 miles

A gardener uses 3 liters of water for every 2 plants. How much water is needed for 8 plants?

• 6 liters

• 15 liters

• 12 liters

• 10 liters

If a recipe requires 4 eggs for 12 cookies, how many eggs are needed for 30 cookies?

• 6 eggs

• 8 eggs

• 12 eggs

• 10 eggs

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

• 9

• 6

• 12

• 15

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

• 300 miles

• 240 miles

• 480 miles

• 360 miles

In a fruit basket, the ratio of apples to oranges is 5:3. If there are 25 apples, how many oranges are there?

• 20

• 15

• 10

• 30

A painter mixes 2 parts blue paint to 3 parts white paint. If he uses 10 cups of blue paint, how many cups of white paint does he need?

• 10 cups of white paint

• 20 cups of white paint

• 15 cups of white paint

• 5 cups of white paint