Question 818730
total points possible in class:
P = 600 + 200 = 800
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(468/600)(600/800) + (f/200)(200/800) = (639/800)
(468/800) + (f/800) = (639/800)
f/800 = (639/800) - (468/800)
f = 639 - 468
f = 171
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get 171 points on final to get class grade of 639
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