PercentageCalculator .proWhat is 8.7 percent of 3.99 Dollars
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Solution for 'What is 8.7% of 3.99?'
In the following example consider that:
- The percentage figure is represented by X%
- The whole amount is represented by W
- The portion amount or part is represented by P
Solution Steps
The following question is of the type "How much X percent of W", where W is the whole amount and X is the percentage figure or rate".
Let's say that you need to find 8.7 percent of 3.99. What are the steps?
Step 1: first determine the value of the whole amount. We assume that the whole amount is 3.99.
Step 2: determine the percentage, which is 8.7.
Step 3: Convert the percentage 8.7% to its decimal form by dividing 8.7 into 100 to get the decimal number 0.087:
8.7100 = 0.087
Notice that dividing into 100 is the same as moving the decimal point two places to the left.
8.7 → 0.87 → 0.09
Step 4: Finally, find the portion by multiplying the decimal form, found in the previous step, by the whole amount:
0.087 x 3.99 = 0.34713 (answer).
The steps above are expressed by the formula:
P = W × X%100
This formula says that:
"To find the portion or the part from the whole amount, multiply the whole by the percentage, then divide the result by 100".
The symbol % means the percentage expressed in a fraction or multiple of one hundred.
Replacing these values in the formula, we get:
P = 3.99 × 8.7100 = 3.99 × 0.087 = 0.34713 (answer)
Therefore, the answer is 0.34713 is 8.7 percent of 3.99.