"40 is 7 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 7 percent of number (x), you will get 40. Thus, you can illustrate the problem "40 is 7 percent of what number (x)" like this:
7% of x = 40
To calculate 7 percent of a number, we multiply the number by 7 and then divide by 100. Therefore, we can make the following function:
|
| = 40 |
To solve for x, we first multiply both sides by 100 and then divide both sides by 7 to get the x = 571.43. Therefore, the answer to 40 is 7 percent of what number? is:
571.43
If we substitue "what number" in the question "40 is 7 percent of what number?" with 571.43, we get this sentence: 40 is 7 percent of 571.43. Since this statement is true, we know that our answer is correct.
Percent Of What Number
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