Ratios and Equivalent Ratios

Help the engineer to find a ratio equivalent to 10:15.

Help Harry to simplify the ratio 24:48 to its SIMPLEST form.

• 3:6

• 2:4

• 5:10

• 1:2

At an animal shelter the ratio of cats to dogs in a class is 3:6. If there are 24 dogs in the shelter right now, how many cats are there?

A pasta recipe calls for 2 cups of pasta and 5 cups of water. If you want to make half of the recipe, how many cups of pasta do you need?

In a bag of M&M's, the ratio of red M&M's to blue M&M's is 2:5. If there are 18 red M&M's in the bag, how many blue M&M's are there?

• 46

• 45

• 54

• 35

A rectangular patio has a ratio of length to width of 8 : 4. Which of the following equivalent ratios would be three times as big?

• 8 : 16

• 16 : 8

• 4 : 2

• 24 : 12

A recipe for iced coffee calls for 2 cups of milk and 2 shots of expresso coffee per serving. If you have 6 cups of milk, how many shots of coffee do you need?

The ratio of boys to girls in a class is 2:3. If there are 18 boys, how many girls are there?

An airplane flying over the Atlantic Ocean travels 2,000 miles in 4 hours. What is the speed of the airplane in miles per hour?

• 8,000

• 5,000

• 500

• 50

The teacher is preparing the math quiz. He wants to have a ratio of 1 true or false question to 2 multiple choice questions. If he has already added 14 multiple choice questions, how many true or false questions does he need to write?