SOLUTION: Joe has a term mark of 68%. If his term work is worth 70%, and his exam is worth 30%, what percent does he need on the exam to increase his mark to 70%

Question 1032027: Joe has a term mark of 68%. If his term work is worth 70%, and his exam is worth 30%, what percent does he need on the exam to increase his mark to 70%
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Joe has a term mark of 68%. If his term work is worth 70%
So he has 0.68*70 = 47.6 points
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and his exam is worth 30%, what percent does he need on the exam to increase his mark to 70%
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Equation:
Points + Points = 70
x*30 + 47.6= 70
30x = 22.4
x = 0.7466 = 0.75 when rounded up
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Cheers,
Stan H.
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