821 is 13 percent of what number?


"821 is 13 percent of what number?" is a word problem where the answer is a number. Specifically, if you calculate 13 percent of number (x), you will get 821. Thus, you can illustrate the problem "821 is 13 percent of what number (x)" like this:

13% of x = 821

To calculate 13 percent of a number, we multiply the number by 13 and then divide by 100. Therefore, we can make the following function:

   
13 ∗ x
 
   
100
  =  821  

To solve for x, we first multiply both sides by 100 and then divide both sides by 13 to get the x = 6315.38. Therefore, the answer to 821 is 13 percent of what number? is:

6315.38


If we substitue "what number" in the question "821 is 13 percent of what number?" with 6315.38, we get this sentence: 821 is 13 percent of 6315.38. 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.

  is 

% of what number?


822 is 13 percent of what number?
Here is a similar problem that we have answered for you.


Copyright  |   Privacy Policy  |   Disclaimer  |   Contact