SOLUTION: Ahmad’s average score on his first 3 tests is 90. If his average on his last 2 tests is 80, what is his average score for all 5 tests?

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Question 766562: Ahmad’s average score on his first 3 tests is 90. If his average on his last 2 tests is 80, what is his average score for all 5 tests?
Answer by ramkikk66(644) About Me  (Show Source):
You can put this solution on YOUR website!
Average for 1st 3 tests = 90
Therefore, total for 1st 3 tests = 90*3 = 270
Average for last 2 tests = 80
Therefore, total for last 2 tests = 80*2 = 160

Total for all 5 tests = 270 + 160 = 430

So, average for all 5 tests = 430/5 = 86

:)