SOLUTION: Angela had 4 tests in math and her scores were: 65, 70, 80, 95. What score must she get on the fifth test to have an average of 80?

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Question 906367: Angela had 4 tests in math and her scores were: 65, 70, 80, 95. What score must she get on the fifth test to have an average of 80?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!

Here's a hint: If you want to have an average of for tests, then the sum of all your scores must be . So multiply 5 times 80, then subtract the total of the 4 scores you know from the product.

John

My calculator said it, I believe it, that settles it
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