Test 2, 1.20 - 1.40 Flashcards
726.1
13.74
+692.83
————–
1432.67
- 6
- 9.783
- ———-
3.817
.004
x .06
——–
.00024
.855
x34. 7
- ———–
29.6685
1.827 divided by .87
2.1
5 divided by 6 round to nearest hundredth
.83
42% of $76
.42 x 76 = $31.92
6 3/4% of 800
.0675 x 800 = 54
36 is what percent of 60?
36/60 = 6/10 = .6 = 60%
453% of 30
4.53 x 30 = 135.9
4/5 as a percent is
4/5 = 8/10 = .8 = 80%
.75 as a percent is
75%
.675 as a percent is
67.5%
5/8 as a percent is
5/8 = 50/80 = 6.25/10 = .625 = 62.5%
1/4 as percent is
1/4 = 10/40 = 2.5/10 = .25 = 25%
Round off .736 to the nearest tenth.
.7
Write the consequent in the ratio 6:19
19
reduce the ratio 8/12 to lowest terms
2/3
write the greater: .513 or .5129
.513
complete the proportion: 9/11 = x/121
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
Find the percent of increase from 12 pencils to 18 pencils.
18 - 12 = 6
6/12 = 1/2 = 50%
Find the percent of decrease from $500 to $400.
500 - 400 = 100
100/500 = 1/5 = 20%
Round off $720.168 to the nearest cent.
$720.17
write 6 3/5% as a decimal
.066 because 3/5% = .006, so add that to .06 of the 6%
multiply 1526 by 100
152,600. When multiplying any number by 100 add two zeros. If a decimal, move the decimal two places to the right.
T or F: In a proportion the product of the means should equal the product of the extremes.
true
T or F: 7.38 is a mixed decimal
true
T or F: 100% - 16% = 86%
false
T or F: The ratio method can be used to find percentage.
true
T or F: Percent means “hundredth”
true
T or F: 9 7/8 % = .9875
false
T or F: 10% of 200 is 20
true
Mrs. Carmen made $250 for a 20-hour work week. Last week she began making 7% more. How much does she make now?
$250
x 1.07
———-
$267.50
Donna bought 4 oranges for $.76. At the same rate what would 9 oranges cost?
4/9 = 76/x 4x = 684 x = 684/4 x = 171 = $1.71
Terri bought a Sunday dress for $36. The sales tax was 6%. Find the total cost of the dress.
1.06 x 36 = $38.16
