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 913302: 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 ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
%283%2A86+%2B+x%29%2F4+=+88
x = (352 - 258) = 94