how do you find a number when a percent of it is known
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Divide 100 by the known percentage and multiply the result by the known part. This will calculate the whole. Example: £10 is equal to 25%. Thus the whole = (100/25) * 10 = £40.
Divide the numerator into the denomonator.
To find percents, divide the whole by 100 and multiply by percent rate. For this question, the example problem and solution will be:Problem: find 14 percent of 1600Solution: 1600 / 100 * 14 = 16 * 14 = 224
It means that the result of your calculation will be a percentage which may not be a whole number and you need to round to the nearest whole number. Use the normal rounding. eg 36.4% to the nearest whole percent is 36% eg 25.74568567% to the nearest whole percent is 26% eg 10% to the nearest whole percent is 10%
1 whole = 100 percent. 1 fifth = (1 whole)/5 = (100/5) = 20 percent.