Math Review on Ratios

Martha ran a 5 kilometer race in 22.5 minutes. What was Martha's unit rate?

• 4.5

• 17.5

• 112.5

• 4.6

Andre purchased 3 pieces of pizza for $4.50. Based on this rate, how much would one piece cost?

• $13.50

• $7.50

• $1.50

• $3.00

What percentage is 36 of 60?

• 36%

• 60%

• 58%

• 24%

The Brooklyn Skyhawks won 5 of their first 7 games this year. There are 28 games in the season. How many games would you expect them to win this season?

• 5

• 35

• 25

• 20

A 2 liter bottle of apple juice costs $2.04. A 3 liter bottle of the same apple juice costs $2.79. Which is a better deal?

• 2 liter because it costs 68 cents per liter

• 2 liter because it costs $1.01 per liter.

• 3 liter because it costs 90 cents per liter

• 3 liter because it costs 93 cents per liter.

Sheri can type 90 words in 4 minutes. At this rate, how many words would you expect her to type in 10 minutes?

• 225

• 180

• 360

• 220

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

8.  Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza
• $82.50 per pizza
• $5.50 per pizza
• $6.50 per pizza

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7

• 7 to 5

• 5 to 12

• 7 to 12