SOLUTION: My avaerage on my first four test's was 76, so what score do I need to get on my next test to raise my average to 77?

Question 747330: My avaerage on my first four test's was 76, so what score do I need to get on my next test to raise my average to 77?
Found 2 solutions by Cromlix, timvanswearingen:
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Your total from the first 4 tests
was 4 x 76 = 304
The total you would require to
achieve to get an average of 77
would be 5 x 77 = 385
Therefore the score you would have to obtain
would be 385 - 304 = 81
Answer by timvanswearingen(106) (Show Source): You can put this solution on YOUR website!
If you want to average 77, your total points will need to be:

Averaging 76 on four tests, gives you a running total of

Subtract 304 from 385 to give you the score you'd need.

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