<PRE><B>Question 927197</B>
since the final exam is worth 30% we can assume that the class work up to the final is worth 70%
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0.7*47 + 0.3x = 1.0*55
32.9 + 0.3x = 55
0.3x = 55 - 32.9
x = (55 - 32.9)/0.3
x = 73.7
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you need 74 on the final
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