Ratios & Rates

Elijah earns $230 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $25.50 per hour

• $12.50 per hour

• $1,840 per hour

• $28.75 per hour

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

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

Tommy has a bag of LEGOS. There are:

6 yellow

3 red

8 blue

What is the ratio of blue LEGOS to the total number of LEGOS?

• 8:17

• 6:17

• 6:8

• 3:6

If there are 5 boys to 7 girls, how many girls would there be if the number of boys increased to 20?

• 35 girls

• 28 girls

• 24 girls

• 30 girls

For 6 people to enter the park, it cost $36. How much would it cost for 9 people?

• $45.50

• $48.00

• $54.00

• $52.50

Daisy sour cream is $1.68 for 8 oz.

Kraft sour cream $2.08 for 16 oz.

Find the unit price of each and choose the better deal.

• Daisy

• Kraft

Are the two ratios equivalent?

3 : 10 and 9 : 20

• Yes

• No

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9

• 9 to 7

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied