Posted by Caitlyn on Sunday, November 27, 2011 at 2:36pm.
Karen has an 86% average after 4 grades, what grade does she need to get in order to bringer average up to an 88%?

Math  Caitlyn, Sunday, November 27, 2011 at 2:38pm
I need a formula to solve the question.... If anyone has a clue I would love it

Math  Jason, Sunday, November 27, 2011 at 3:00pm
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
440344=96
I THINK THE ANSWER IS 96

Math  david, Monday, November 28, 2011 at 6:46pm
explain how you can use multiplication to help you find 20 divide by 5

Math  david, Monday, November 28, 2011 at 6:51pm
explain how you can use multdivide5 iplication to help you find 20
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Math  Jason, Tuesday, November 29, 2011 at 5:10pm
20x .25
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