Percent of a number
15% of 110
16.5
80 is 25% of what number?
320
Fractions → Decimals
9/12
0.75
Fractions → Decimals
14/25
0.56
An item is regularly priced at $30. It is on sale for 30% off the regular price. How much (in dollars) is the item discounted from the regular price?
$9
75% of 260
195
22 is 44% of what number?
50
Fractions → Percents
3/10
30%
Fractions → Percents
2/5
40%
The sales tax for an item was $10.20 and it cost $340 before tax.
Find the sales tax rate. Write your answer as a percentage.
3%
28% of 575
161
450 is 75% of what number?
600
Decimals → Percents
0.38
38%
Decimals → Percents
0.2
20%
Charlie is mixing a cleaning solution that is 12% bleach. After mixing the solution, Chuck has 150 ounces of cleaning solution. How many ounces of bleach did Chuck use?
18
108% of 148
159.84
95 is 95% of what number?
100
Percents → Decimals
56%
.56
Percents → Decimals
6%
0.06
A book sold 36,700 copies in its first month of release. Suppose this represents 7.7% of the number of copies sold to date. How many copies have been sold to date?
Round to the nearest whole number.
476,623 copies
6% of 95
5.7
A store is having a sale where winter clothes are 60% of the original price. A sweater is on sale for $30. What was the original price of the sweater?
$50
Percents → Fractions Simplified.
50%
1/2
Percents → Fractions Simplified.
75%
3/4
A surveyor is estimating the distance across a river. The actual distance is 279.8m. The surveyor's estimate is 300m.
Find the absolute error and the percent error of the surveyor's estimate. If necessary, round your answers to the nearest tenth.
absolute error = 20.2m
percent error = 7.2%