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If a college English class has grade weightings of tests 60%, project 20%, book reviews 20%, and a student has a
project average of 66 and test average of 90, what minimum grade must she obtain on the reviews to reach an 80
overall grade?

a. 88.4
b. 912
c. 64
d. 58.9

User Sankit
by
8.1k points

1 Answer

6 votes

0.2x66+0.6x90+0.2x=80

0.2x=12.8

x=64

answer: C

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