SOLUTION: jane has an average of 75 points after taking 3 tests. What is the total of the number of points she has scored? What score must jane earn on a 4th test to have an average of 8

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Question 865525: jane has an average of 75 points after taking 3 tests. What is the total of the number of points she has scored?
What score must jane earn on a 4th test to have an average of 80 points?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
225 total for the three test
an average of 80 would be 320 on 4 tests
320-225=95
not going to happen.