SOLUTION: Paul's average in five tests is 72.When he got his sixth mark his average decreased by 5.Find his sixth mark.

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Question 922896: Paul's average in five tests is 72.When he got his sixth mark his average decreased by 5.Find his sixth mark.












Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(5*72+x)/6=67
360+x=67*6
x=402-360
x=42