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?

• 3 cups of flour

• 4 cups of flour

• 2 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

• 180 miles

• 240 miles

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

• 15

• 20

• 25

• 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 real life?

• 25 miles

• 30 miles

• 15 miles

• 20 miles

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

• 20

• 10

• 25

• 15

A recipe requires 4 eggs for every 2 cups of milk. If you have 12 eggs, how many cups of milk can you use?

• 10 cups of milk

• 8 cups of milk

• 4 cups of milk

• 6 cups of milk

In a school, the ratio of teachers to students is 1:15. If there are 120 students, how many teachers are there?

• 10

• 12

• 8

• 5

A gardener plants flowers in a ratio of 5 red flowers to 3 yellow flowers. If he plants 40 red flowers, how many yellow flowers does he plant?

• 36 yellow flowers

• 24 yellow flowers

• 30 yellow flowers

• 20 yellow flowers

A car can travel 240 miles on 8 gallons of gas. How many gallons of gas will it need to travel 360 miles?

• 10 gallons

• 12 gallons

• 15 gallons

• 8 gallons

In a bag of marbles, the ratio of blue marbles to red marbles is 7:3. If there are 21 blue marbles, how many red marbles are there?

• 6

• 12

• 9

• 15