15 is what percent of 5?


The question here is "15 is what percent of 5?" which is the same as "What percent of 5 is 15?" This math word problem is asking "what percent" so we know that the answer should be a percent. Specifically, what percent (x) of 5 equals 15.

The problem is therefore x% of 5 = 15 which can be written as a function:

   
x ∗ 5
 
   
100
  =  15  

And when we solve the function above for x, we get 300. The answer to "15 is what percent of 5?" is therefore:

300%

How can we know the answer is correct? We know the answer is correct because 300 percent of 5 is 15.


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