SOLUTION: If I have an 87% average on a class with 30% still left of work on a final. Would it be possible to get an A? If so, what do I need to get on the final to get a 90?

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Question 821339: If I have an 87% average on a class with 30% still left of work on a final. Would it be possible to get an A? If so, what do I need to get on the final to get a 90?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.70*87+.30*x=90
0.3 x+60.9 = 90
0.3x=9.1
x = 97.