SOLUTION: Please help me solve this! The average of 3 numbers is 25. two of the numbers are 15 and 40. what is the third number?

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Question 850792: Please help me solve this!
The average of 3 numbers is 25. two of the numbers are 15 and 40. what is the third number?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

Let x represent the third number

Question states***

%2815+%2B+40+%2B+x%29%2F3+=+25

      55 + x = 75

           x = 20

CHECKING our answer***

75/3 = 25

Wish You the Best in your Studies.