SOLUTION: If Josh has an 83.9% average on 75% of his grade, what does he need on the final to get an A(90%+) out of 100 points, assuming the final is the remaining 25% of his grade?

Question 820950: If Josh has an 83.9% average on 75% of his grade, what does he need on the final to get an A(90%+) out of 100 points, assuming the final is the remaining 25% of his grade?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
75(83.9) + 25f = 90(100)
f = ( 90(100) - 75(83.9) ) / 25
f = 108.3%
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answer:
he can't get an A in the class because it's impossible to score more than 100% on the final, and he needs to score 108.3% on the final to get an A in the class.
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