SOLUTION: If I receive 85% in an essay worth 20% what do I need to score in my exam worth 80% so that my overall grade is above 72?

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Question 941578: If I receive 85% in an essay worth 20% what do I need to score in my exam worth 80% so that my overall grade is above 72?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
0.20*85 + 0.80x = 72
0.80x = 72 - 0.20*85
x = (72 - 0.20*85)/0.80
x = 68.75
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