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25-05-2016
Mathematics

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In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

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KurdishPotato KurdishPotato

25-05-2016

64 + 69 + 73 = 206 ÷ 3 = 68 ish
if he get at least 74 :
64 + 69 + 73 + 74 = 280 ÷ 4 = 70
he will pass course with straight 70

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