Proportions and Ratios: Solve Real-World Problems!

A recipe calls for 3 cups of flour for every 2 cups of sugar. If you want to make a batch that uses 12 cups of flour, how many cups of sugar do you need?

• 10 cups of sugar

• 4 cups of sugar

• 8 cups of sugar

• 6 cups of sugar

A car travels 150 miles on 5 gallons of gas. How many gallons of gas will it need to travel 600 miles?

• 20 gallons

• 25 gallons

• 15 gallons

• 30 gallons

In a school, the ratio of boys to girls is 4:5. If there are 36 boys, how many girls are there?

• 40

• 45

• 30

• 50

A map has a scale of 1 inch to 20 miles. If two cities are 3.5 inches apart on the map, how far apart are they in real life?

• 70 miles

• 100 miles

• 50 miles

• 30 miles

A recipe requires 2 tablespoons of olive oil for every 1 cup of vinegar. If you want to use 6 cups of vinegar, how many tablespoons of olive oil do you need?

• 14 tablespoons

• 12 tablespoons

• 8 tablespoons

• 10 tablespoons

A gardener plants flowers in a ratio of 3 roses for every 2 tulips. If he plants 30 flowers in total, how many of each type does he plant?

• 20 roses and 10 tulips

• 12 roses and 18 tulips

• 15 roses and 15 tulips

• 18 roses and 12 tulips

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

• 240 miles

• 360 miles

• 300 miles

• 480 miles

In a class, the ratio of students who prefer math to those who prefer science is 3:2. If there are 30 students who prefer math, how many prefer science?

• 25

• 15

• 20

• 10

A recipe for cookies requires 4 cups of flour for every 3 cups of sugar. If you want to use 12 cups of flour, how much sugar do you need?

• 9 cups of sugar

• 6 cups of sugar

• 12 cups of sugar

• 15 cups of sugar

A painter mixes blue and yellow paint in a ratio of 5:3. If he uses 40 ounces of blue paint, how many ounces of yellow paint does he need?

• 24 ounces

• 20 ounces

• 32 ounces

• 30 ounces