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Sec 1.7-FocusAns - b The account gained $200 interest after...

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Section 1.7 Focus Exercise Answers 1. a) z = - 3 b) A = 29 c) a = 5 d) A = 20 e) P = 42 f) r = 32 g) A = 18 h) I = 20 i) m = - 3 j) 5 2. a) The account gained $72 interest after 1 year.
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Unformatted text preview: b) The account gained $200 interest after 8 months. 3. April’s average rate of speed was 67 miles per hour. 4. Reggie’s average rate of speed was 12 miles per hour....
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