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Ratios, Proportions, and Percents Flashcards | StudBud
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Ratios, Proportions, and Percents
Ratios, Proportions, and Percents
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Percents, Fractions, and Decimals
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Answers
1
Do the following ratios form a proportion? 5/3, 15/9
No
Yes
2
You have 3 nickels and 5 quarters in your pocket. What is the ratio of quarters to nickels?
3 : 5
3 : 8
5 : 8
5 : 3
3
Do the following ratios form a proportion? 8/12, 12/8
No
Yes
4
Find 2% of 50
1
10
100
25
5
Suppose 86% of 50 peiople at a law firm like their jobs. How many people like their jobs?
14
4
43
47
6
Solve the proportion: 6/4 = 9/m
6
10
8
4.5
7
Write the decimal as a percent: 0.48
0.48%
4.8%
48%
480%
8
Write the fraction as a percent: 3/15
5%
2%
20%
0.2%
9
Choose the ratio that is equivalent to the ratio 3 : 2.
3 : 4
6 : 4
4 : 3
6 : 2
10
You want to buy a shirt that is priced $15.20 with a 20% discount. What will you pay?
$15.00
$12.16
$3.04
$18.24
11
Calculate a 15% tip for a bill of $40.00.
$6.00
$2.00
$10.00
$4.00
12
Do the following ratios form a propotion? 3/4, 4/5
Yes
No
13
You have 11 dimes and 33 quarters. Write the ratio of quarters to dimes in simplest form.
3 : 1
11 : 33
33 : 44
1 : 3
14
You pay $5 for 8 pounds of apples. How much will it be for 10 pounds?
$6.25
$16.00
$16.25
$6.00
15
A 6-ounce bottle of juice costs $0.96. What is the unit price?
$5.76
$0.96
$0.16
$6.96
16
Solve the proportion: a/25 = 3/10
5
7.5
10
3
17
Choose the ratio that is equivalent to 3/18.
6/35
1/6
9/50
1/5
18
The ratio of girls to boys in a math class is 5 to 6. Can there be 15 boys?
Yes
No
19
Use a map scale of 1 inch : 30 miles to find the actual distance - 0.5 inches :
60 mi
30.5 mi
0.5 mi
15 mi
20
Find 5% of 200
100
10
50
1,000
21
A car can travel 28 miles per gallon. How far can it travel on 8 gallons of gas?
8 miles
28 miles
4 miles
224 miles
22
Write the decimal as a percent: 0.02
20%
0.2%
2%
0.02%
23
An 8-ounce bottle of juic costs $1.12. What is the unit price?
$0.12
$1.12
$9.12
$0.14
24
Estimate a 15% tip for the bill: $32.04
$0.80
$3.20
$4.80
$1.60
25
Write the fraction as a percent (round where necessary): 5/6
83%
<p>1.2%</p>
8.3%
12%
26
Write the percent as a decimal and fraction: 25%
0.75, 1/4
0.25, 1/4
0.5, 1/4
0.25, 1/2
27
Use a map scale of 1 inch : 30 miles to find the actual distance - 6 inches :
180 mi
6 mi
60 mi
18 mi
28
Write the percent as a decimal and fraction: 98%
0.98, 48/49
9.8, 49/50
98.0, 49/50
0.98, 49/50
29
Use a map scle of 1 inch : 30 miles to find the actual distance - 3 inches :
9 mi
27 mi
3 mi
90 mi
30
Solve the propotion: 4/5 = x/25
20
24
9
16
