Proportions/Ratios Quick Quiz

At the library, the average ratio of hardbound books to paperback books on the shelf is 5:3. Use this proportion to predict the number of hardbound books on the shelf that has 75 paperback books.

• 125

• 45

• 25

• 150

At the library, the average ratio of hardbound books to paperback books on the shelf is 5:3. Use this proportion to predict the number of paperback books on the shelf that has 75 hardbound books.

• 125

• 45

• 25

• 150

A fruit punch uses 1.5 cups of orange juice for every cup of apple juice

What is the constant of proportionality used to find the number of cups of orange juice needed for any amount of apple juice?

• 0.5

• 1.0

• 1.5

• 2

A fruit punch uses 1.5 cups of orange juice for every cup of apple juice

How many cups of orange juice are needed for 12 cups of apple juice?

• 8 cups

• 12 cups

• 15 cups

• 18 cups

A fruit punch uses 1.5 cups of orange juice for every cup of apple juice

How many cups of apple juice are needed for 8 cups of orange juice?

• 5 1/3 cups

• 12 cups

• 15 cups

• 18 cups

A tire maker produces 20,000 tires to be shipped. They inspect 200 of the tires and find that 16 are defective. How many tires of the 20,000 tires would you expect to be defective?

• 16

• 160

• 1600

• 16000

Elza was planning a trip to Western Samoa. Before going she did some research. She found aout the currency is called a Tala. The exchange rate is 6 Tala for every $2. How many Tala will Elza get if she exchanges $100?

• 50

• 200

• 300

• 600

Addy bought 32 kiwi fruits for $16. Vi only has $4, how many kiwi fruits can she buy?

• 2

• 4

• 6

• 8

Kayla is making fresh lemonade to share. She mixes 3 cups of water for every 4 lemons she squeezes. If Kayla has a dozen lemons, how many cups of water will she need?

• 1 1/3

• 7

• 9

• 12

Nathan is exactly 5 feet tall. He casts a shadow that is 8 feet long. Nate notices the flag pole is casting a shadow that is 32 feet long. He claims "I can tell the height of the pole without using a tape." Gabe agrees, you can use proportions/ratios to figure it out. How tall is the flag pole?

• 15 feet

• 20 feet

• 25 feet

• 30 feet