642 is 30 percent of what number? (30% of what number is 642?)

642 is 30 percent of what number?

"642 is 30 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 30 percent of number (x), you will get 642. Thus, you can illustrate the problem "642 is 30 percent of what number (x)" like this:

30% of x = 642

To calculate 30 percent of a number, we multiply the number by 30 and then divide by 100. Therefore, we can make the following function:

		30 ∗ x
		100

= 642

To solve for x, we first multiply both sides by 100 and then divide both sides by 30 to get the x = 2140. Therefore, the answer to 642 is 30 percent of what number? is:

2140

If we substitue "what number" in the question "642 is 30 percent of what number?" with 2140, we get this sentence: 642 is 30 percent of 2140. Since this statement is true, we know that our answer is correct.

Percent Of What Number
Submit another "a is b percent of what number?" problem for us to explain and solve.

643 is 30 percent of what number?
Here is a similar problem that we have answered for you.