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

• 2 cups of flour

• 4 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?

• 240 miles

• 200 miles

• 300 miles

• 180 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?

• 80 miles

• 100 miles

• 60 miles

• 40 miles

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

• 20

• 30

• 25

• 15

A gardener uses 3 liters of water for every 2 plants. How much water is needed for 10 plants?

• 10 liters

• 5 liters

• 15 liters

• 20 liters

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

• 6

• 8

• 12

• 10

A car can travel 240 miles on 8 gallons of gas. How many gallons of gas are needed to travel 360 miles?

• 8 gallons

• 10 gallons

• 12 gallons

• 15 gallons

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

• 4

• 8

• 10

• 6

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

• 6 teachers

• 4 teachers

• 8 teachers

• 10 teachers

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