Chapter 5, 6 and 7 Cumulative Test

1 . Write a proportion that is equivalent to the statement : If 3 gallons of gasoline cost 5 .37 , then 8 gallons will cost 14 .32 B

Unit cost 5 .37 /3 14 .32 /8 1 .79 ( 3 /5 .37 8 /14 .32 2 . Approximately 5 out of every 10 students at Kendra 's college live on campus . The college has 5 ,000 students . How many of them live on campus

A ) 3 ,750 students B ) 2 ,500 students C ) 1 ,250 students D 3 ,125 students

B

Campus living student

(5 /10 5000 2500

3 . Find the best buy on pasta sauce (1 qt is 32 oz

A ) 45 oz for 1 .59 B ) 1 qt 16 oz for 1 .99

C ) 1 qt for 1 .29 D ) 48 oz for 1 .79

A

1 .59 /45 0 .0353 (least unit cost , 1 .99 /48 0 .0415 , 1 .29 /32 0 .0403 and 1 .79 /48 0 .0373

4 . The width of a swimming pool is 18 .5 ft , and the length is 10 .75 ft Write the ratio of length to width as ratio of whole numbers A

Length /width 10 .75 /18 .50 1075 /1850 43 /74 (dividing numerator and denominator both by 25

5 . A community service organization has 8 men and 5 women in its membership . Write the ratio of women to men A

Women /men 5 /8

6 . A state sales tax rate is 4 .8 . If the tax on a purchase was 23 .76 what was the price of the purchase

A 595 B 395 C 695 D 495

D

4 .8 is 23 .76 ( 1 is 23 .76 /4 .8 ( 100 is (23 .76 /4 .8 100 495

7 . Identify the rate in the following statement : 130 is 20 of 650

A ) 130 B ) 650 C ) 20

C

8 . A new car depreciates an average of 22 in its first year of use . If the car was worth 16 ,000 when it was new , what will the car be worth after 1 year

A 12 ,480 B 9 ,734 C 12 ,880 D 19 ,520

A

After one year the value will be (100-22 16000 /100 12480

9 . 97 .3 is 7 of what number

A ) 6 .811 B ) 681 .1 C ) 139 D ) 1 ,390

D

7 is 97 .3 ( 1 is 97 .3 /7 (100 is (97 .3 /7 100 1390

10 . A saleswoman is working on a 3 commission basis . If she wants to make 3 ,000 in one month , how much must she sell

A 100 ,000 B 1 ,000 ,000 C 200 ,000 D 50 ,000

A

3 is 3000 ( 1 is 3000 /3 ( 100 (100000

11 . Find the missing length of the right triangle

A ) 52 B ) 54 C ) 53 D ) 51

A

Missing length (202 482 52

12 . Find the missing angle A

Missing angle 180 - (45 106 180 - 151 29

13 . Find the missing length of the right triangle

A ) 26 B ) 28 C...