SOLUTION: If the average of 3,s, and t is 5, what is the value of s+t?

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Question 792882: If the average of 3,s, and t is 5, what is the value of s+t?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
If the average of 3,s, and t is 5, what is the value of s+t?
the equation for this:
%283+%2B+s+%2B+t%29%2F3 = 5
multiply both sides by 3
3 + s + t = 15
s + t = 15 - 3
s+t = 12
:
:
Check
%283+%2B+12%29%2F3 = 5