SOLUTION: Your tet geades are 83,94,86,91. What grade do you need to earn on your next test to have an average of 90

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Question 895875: Your tet geades are 83,94,86,91. What grade do you need to earn on your next test to have an average of 90
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
83+94+86+91 = 354 points so far
To have an average of 90 across 5 tests, you'll need 90 * 5, or 450 points
450 needed - 354 already earned = 96 necessary on the next text.