SOLUTION: your test scores for the semester are 87.84 and 85.0 Can you raise your average to a 90 with your next test?

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Question 679844: your test scores for the semester are 87.84 and 85.0 Can you raise your average to a 90 with your next test?
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
%2887.84%2B85%29%2F2+=+172.84%2F2+=+86.42 current average
...
%28172.84%2Bx%29%2F3+=+90
172.84+x = 270
x = 270 - 172.84
x = 97.16
...
The average can be raised with a 97.16 on the next test
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