SOLUTION: The mean of five students whose ages are 8,x,13,12 and 10 is 10. Find the value of x.

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Question 831849: The mean of five students whose ages are 8,x,13,12 and 10 is 10. Find the value of x.
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
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(x + 8 + 13 + 12 + 10)/5 = 10
x + 8 + 13 + 12 + 10 = 10*5
x + 43 = 10*5
x = 10*5 - 43
x = 7
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