SOLUTION: I have four test grades of 80, 80, 85, and 75. What will i need to get on my next test for a overall average of 70?

SOLUTION: I have four test grades of 80, 80, 85, and 75. What will i need to get on my next test for a overall average of 70?

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Question 883188: I have four test grades of 80, 80, 85, and 75. What will i need to get on my next test for a overall average of 70?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the average of all 5 grades,

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