SOLUTION: in math class your average grade for the first three tests is 81. You want to raise your final average to 85. What grade do you need on the final, the only remaining test in the te

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Question 139271: in math class your average grade for the first three tests is 81. You want to raise your final average to 85. What grade do you need on the final, the only remaining test in the term?
Answer by stanbon(48522) About Me  (Show Source):
You can put this solution on YOUR website!
in math class your average grade for the first three tests is 81. You want to raise your final average to 85. What grade do you need on the final, the only remaining test in the term?
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Let the final exam score be "x".
EQUATION:
(81*3 + x)/4 = 85
3*81 + x = 340
x = 97
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Cheers,
Stan H.