"86 is 21 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 21 percent of number (x), you will get 86. Thus, you can illustrate the problem "86 is 21 percent of what number (x)" like this:
21% of x = 86
To calculate 21 percent of a number, we multiply the number by 21 and then divide by 100. Therefore, we can make the following function:
|
| = 86 |
To solve for x, we first multiply both sides by 100 and then divide both sides by 21 to get the x = 409.52. Therefore, the answer to 86 is 21 percent of what number? is:
409.52
If we substitue "what number" in the question "86 is 21 percent of what number?" with 409.52, we get this sentence: 86 is 21 percent of 409.52. Since this statement is true, we know that our answer is correct.
Percent Of What Number
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