Exploring Equivalent Ratios

A recipe calls for 3 cups of flour for every 2 cups of sugar. If you use 9 cups of flour, how many cups of sugar do you need?

• 4 cups

• 5 cups

• 6 cups

• 7 cups

A car travels 180 miles in 3 hours. What is the car's speed in miles per hour?

• 50 mph

• 55 mph

• 60 mph

• 65 mph

If the ratio of cats to dogs in a shelter is 4:5, how many cats are there if there are 25 dogs?

• 15 cats

• 20 cats

• 30 cats

• 35 cats

A store sells 8 apples for $4. How much would 20 apples cost?

• $8

• $10

• $12

• $16

A map has a scale of 1 inch to 5 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?

• 10 miles

• 15 miles

• 20 miles

• 25 miles

If 5 pencils cost $2, how much do 15 pencils cost?

• $4

• $5

• $6

• $7

A recipe uses 2 teaspoons of vanilla for every 3 cups of milk. How many teaspoons of vanilla are needed for 9 cups of milk?

• 4 teaspoons

• 5 teaspoons

• 6 teaspoons

• 7 teaspoons

A car travels 240 miles using 8 gallons of gas. What is the car's fuel efficiency in miles per gallon?

• 25 mpg

• 30 mpg

• 35 mpg

• 40 mpg

If the ratio of boys to girls in a class is 3:4, how many girls are there if there are 18 boys?

• 20 girls

• 22 girls

• 24 girls

• 26 girls

A bag contains red and blue marbles in the ratio 2:3. If there are 30 blue marbles, how many red marbles are there?

• 10 red marbles

• 15 red marbles

• 20 red marbles

• 25 red marbles