SOLUTION: if I have an 80% in a class and I need an 89.5 percent what do I need to get on this last test that's worth 25 points.? is an 89.5 % possible?

Question 982764: if I have an 80% in a class and I need an 89.5 percent what do I need to get on this last test that's worth 25 points.? is an 89.5 % possible?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!

if I have an 80% in a class and I need an 89.5 percent what do I need to get on this last test that's worth 25 points.? is an 89.5 % possible?
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Equation:
(0.8+x)/2 = 0.895
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0.8 + x = 1.79
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x = 0.99 (The percent you need on the 2nd test)
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Answer:: 0.95*25 = 24.75 (score you need on the last test)
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Cheers,
Stan H.

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