SOLUTION: If I have a 90 avg and take 3 test a 60 and 2 50's what's my avg?

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Question 1020902: If I have a 90 avg and take 3 test a 60 and 2 50's what's my avg?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If I have a 90 avg and take 3 test a 60 and 2 50's what's my avg?
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How many tests is the 90 based on?
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(n*90 + 60 + 50 + 50)/(n+3) where n = # of tests for the 90.