Test 2, 1.20 - 1.40

Question 1

726.1
13.74
+692.83
————–

Answer 1

1432.67

Question 2

13. 6
    - 9.783
    - ———-

Answer 2

3.817

Question 3

.004
x .06
——–

Answer 3

.00024

Question 4

.855

x34. 7
- ———–

Answer 4

29.6685

Question 5

1.827 divided by .87

Answer 5

2.1

Question 6

5 divided by 6 round to nearest hundredth

Answer 6

.83

Question 7

42% of $76

Answer 7

.42 x 76 = $31.92

Question 8

6 3/4% of 800

Answer 8

.0675 x 800 = 54

Question 9

36 is what percent of 60?

Answer 9

36/60 = 6/10 = .6 = 60%

Question 10

453% of 30

Answer 10

4.53 x 30 = 135.9

Question 11

4/5 as a percent is

Answer 11

4/5 = 8/10 = .8 = 80%

Question 12

.75 as a percent is

Answer 12

75%

Question 13

.675 as a percent is

Answer 13

67.5%

Question 14

5/8 as a percent is

Answer 14

5/8 = 50/80 = 6.25/10 = .625 = 62.5%

Question 15

1/4 as percent is

Answer 15

1/4 = 10/40 = 2.5/10 = .25 = 25%

Question 16

Round off .736 to the nearest tenth.

Answer 16

.7

Question 17

Write the consequent in the ratio 6:19

Answer 17

19

Question 18

reduce the ratio 8/12 to lowest terms

Answer 18

2/3

Question 19

write the greater: .513 or .5129

Answer 19

.513

Question 20

complete the proportion: 9/11 = x/121

Answer 20

You can get this two ways:
11 will go into 121 11 times, so 11 x 9 = 99
or
cross multiply  11x = 9 x 121
11x = 1089
x = 1089/11
x = 99

Question 21

Find the percent of increase from 12 pencils to 18 pencils.

Answer 21

18 - 12 = 6

6/12 = 1/2 = 50%

Question 22

Find the percent of decrease from $500 to $400.

Answer 22

500 - 400 = 100

100/500 = 1/5 = 20%

Question 23

Round off $720.168 to the nearest cent.

Answer 23

$720.17

Question 24

write 6 3/5% as a decimal

Answer 24

.066 because 3/5% = .006, so add that to .06 of the 6%

Question 25

multiply 1526 by 100

Answer 25

152,600. When multiplying any number by 100 add two zeros. If a decimal, move the decimal two places to the right.

Question 26

T or F: In a proportion the product of the means should equal the product of the extremes.

Answer 26

true

Question 27

T or F: 7.38 is a mixed decimal

Answer 27

true

Question 28

T or F: 100% - 16% = 86%

Answer 28

false

Question 29

T or F: The ratio method can be used to find percentage.

Answer 29

true

Question 30

T or F: Percent means “hundredth”

Answer 30

true

Question 31

T or F: 9 7/8 % = .9875

Answer 31

false

Question 32

T or F: 10% of 200 is 20

Answer 32

true

Question 33

Mrs. Carmen made $250 for a 20-hour work week. Last week she began making 7% more. How much does she make now?

Answer 33

$250
x 1.07
———-
$267.50

Question 34

Donna bought 4 oranges for $.76. At the same rate what would 9 oranges cost?

Answer 34

4/9 = 76/x
4x = 684
x = 684/4
x = 171 = $1.71

Question 35

Terri bought a Sunday dress for $36. The sales tax was 6%. Find the total cost of the dress.

Answer 35

1.06 x 36 = $38.16