Percents Review

Percents Review

For your percents test on Thursday, here are the answers to the review work given in class.

7) a) 175% b) 3.5% c) 416%
8) 5/20 = 25%
9) a) 12.5% b) 70 c) 34.5 d) 280% e) 234
10) 3.2%
11) a) 129 b) 30 c) 42
12) $463.09
13) a) 112% b) 110% c) 90%
14) a) $13.04 b) $73.91 c)$4.43 d) $78.34
15) a) 40% decrease b) 20% increase c) 125% increase d) 80% decrease
16) a) Because the 5% and the 16% are percents of different totals. They cannot be combined as a single percent (what would it be a percent of?)
b) 21.8% increase

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