Review Test 2.2. Question 1 What is the unit rate of each? What is the better buy? 6 pack of Coke for $1.89 12 pack of Coke for $3.79 20 pack of Coke.

Review Test 2.2

Question 1What is the unit rate of each?What is the better buy?

6 pack of Coke for $1.8912 pack of Coke for $3.7920 pack of Coke for $6.9924 pack of Coke for $7.49

Question 2

Write the ratio in simplest form.

5 yards to 8 feet

Question 3

Write the ratio in simplest form.

24 pens to 32 pencils

Question 4

Write the ratio in simplest form.

18 out of 54

Question 5

Write each rate as an unit rate.

552 students to 24 teachers

Question 6

Write each rate as an unit rate.

(to the nearest tenth)

604 in 11 hours

Question 7

Write each rate as an unit rate.

448 pages in 112 min

Question 8

Determine if the following situations are proportional or non-proportional.

Timmy puts $50 into a checking account. He then deposits $10 every week in the account. Is the balance proportional to the number of weeks?

Question 9

A tree casts a 15 foot shadow. A 6 foot tall bear standing on its feet casts a 9 foot shadow. How tall is the tree?

Question 10

Natalie is buying ink cartridges. They are on sale, 4 for $64.80. How much did she spend on 7 ink cartridges?

Question 11

Mr. Lee weighs 188 pounds on Earth. On Jupiter, Mr. Lee weighs 470 pounds. How much would a 15 pound dog weigh on Jupiter?

Question 12

Solve:

n

84

11

6

Question 13

Solve:

567

4 x

Question 14

Find the missing side.

12 cm

13 cm h

Question 15

Find the missing side of the similar parallelograms.

6 cm

x

15 m

9 m

Question 16

Find the unit rates for each of the following in miles per gallon.

(Round to the nearest hundredth)

Honda Civic: 312 miles on 10.5 gal.

Honda Fit: 340 miles on 9.75 gal.

Scion tC: 285 miles on 9.8 gal.

VW Golf tdi: 485 miles on 11.5 gal.

Question 17

You drive 523 miles on 15 gallons of gas. Which car are you driving?

Honda Civic: 312 miles on 10.5 gal.

Honda Fit: 340 miles on 9.75 gal.

Scion tC: 285 miles on 9.8 gal.

VW tdi: 485 miles on 11.5 gal.

Question 18

Order the cars in order of best mpg to worst mpg.

Honda Civic: 312 miles on 10.5 gal.

Honda Fit: 340 miles on 9.75 gal.

Scion tC: 285 miles on 9.8 gal.

VW tdi: 485 miles on 11.5 gal.

Question 19

Determine the unit price for each minute.

(Round to the nearest thousandth)

Verizon: 450 minutes for $39.99

At&t: 900 minutes for $59.99

T-mobile: 1000 minutes for $49.99

Sprint: 450 minutes for $49.99

Question 20

Who has the best deal?

(Round to the nearest thousandth)

Verizon: 450 minutes for $39.99

At&t: 900 minutes for $59.99

T-mobile: 1000 minutes for $49.99

Sprint: 450 minutes for $49.99

Question 21

You are starting your own cell phone company. Based on the rates of the other companies, what would you charge for 600 minutes? Why?

Question 22

Evaluate. Write in simplest form.

4

14

5

43

Question 23

Evaluate. Write in simplest form.

7

51

8

52

Question 24

Evaluate. Write in simplest form.

10

93

5

32

Question 25

George has a grapefruit tree that grew three and a half feet last year. It is now nine and one-third feet tall. How tall was it at the beginning of last year?

Question 26

Ty is making bows that use 3.5 inches of ribbon. His spool has a total of 78 inches of ribbon. How many bows can Ty make?