Ratios Rates and Proportions

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

20 pencils

24 pencils

96 pencils

48 pencils

• 20 pencils

• 24 pencils

• 96 pencils

• 48 pencils

Solve the proportion:

• 4

• 8

• 14

• 10

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

• 2 and 1/2 minutes per pie

• 2/5 of a minute per pie

• 2 and 1/2 pies per minute

• 2/5 of a pie per minute

Jada can read 3/5 of a book in 1/4 of an hour.  How long would it take her to read one whole book?

• 2 and 2/5 books per hour

• 2 and 2/5 hours per book

• 5/12 of an hour per book

• 5/12 of a book per hour

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15

• c=18

• c=21

• c=16

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Solve for x 

• x = 15

• x = 11

• x = 1/11

• x = 20

What is a better value for cheese?

• Kraft , because it's $2.29 per oz

• Simple, because it's $1.88 per oz

• Kraft, because it's $0.44 per oz

• Simple, because it's $0.53 per oz