Rates, Ratios

Solve the proportion:

• 4

• 8

• 14

• 10

Austin mowed 7 lawns in 4 hours. At that rate, how long will it take him to mow 21 lawns?

• 11 hours

• 12 hours 

• 21 hours

•  28 hours.

Which of the following expresses a ratio?

• 2/3

• two-thirds

• 0.667

• 2.3

If there are 20 apples in the fridge and 9 on the table, what is the ratio of apples in the fridge to apples on the table?

• 9/20

• 20/9

• 9.20

• 20.9

Find a ratio equivalent to 35/55:

• 7/11

• 3/5

• 70/100

• 15/25

If you pay $1.95 for 5 bananas, how much is one banana? Hint: What is the unit rate?

• $0.39

• $0.35

• $2.99

• $0.93

Ms. Gombos said, "The unit rate is $2.00 per dice." Ms. Palermo said , "The unit rate is $0.20 per dice." Who is right?

• Ms. Gombos

• Ms. Palermo

• Neither, I am going to ask Mrs. Demarino

Melissa drives 238 miles in 5 hours. What is her average rate of speed?

• 40 MPH

• 46 MPH

• 48 MPH

• 50 MPH

Are the ratios proportional?
3/4 and 24/32

• yes

• no

Are the ratios proportional?
10/12 and 20/32

• yes

• no