SOLUTION: A student has an average of 86 in three examination. What grade must he/she receive on his/her next test to raise his/her average to 88?

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Question 913809: A student has an average of 86 in three examination. What grade must he/she receive on his/her next test to raise his/her average to 88?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(86*3+x)/4=88
258+x=88*4
x=352-258
x=94