Asked by Caitlyn

Karen has an 86% average after 4 grades, what grade does she need to get in order to bringer average up to an 88%?
Answered by Caitlyn
I need a formula to solve the question.... If anyone has a clue I would love it
Answered by Jason
I think its ..
a+b+c+d/4=86
86x4=344
a+b+c+d=344
a+b+c+d+e=(88x5)
a+b+c+d+e=440
440-344=96
I THINK THE ANSWER IS 96
Answered by david
explain how you can use multiplication to help you find 20 divide by 5
Answered by david








explain how you can use multdivide5 iplication to help you find 20



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Answered by Jason
20x .25
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