Math Ratios and Rates

Which ratio is equivalent to 12:20

• 20:12

• 2:3

• 3:5

• 3:10

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day

• 19 cars per day

• .05 cars per day

• 15 cars per day

Charles can type 675 words in 9 minutes. How many words can he type per minute?

• 75 words per minute

• 6075 words per minute

• 86 words per minute

• 65 minutes per word

What is a ratio?

• Compares two quantities measured in different units.

• Has a denominator of 1.

• A comparison of two quantities.

• All of the above.

What is the ratio of squares to circles?

• 3:8

• 5:3

• 3:5

• 5:8

What word can be used when writing a ratio?

• a

• be

• to

• and

What was Brian's unit rate?

• 3/2 word per minute

• 30 minutes per word

• 60 minutes per word

• 30 words per minute

The ratio of 6th graders to 7th graders at a basketball game is 4:1.  If there are eight 7th graders, how many 6th graders are there?

• 28

• 16

• 8

• 32

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

• 20 customers per hour

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