Amys best marathon time decreased by 10% from 2005 to 2006 and by 20% from 2006 to

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Amy’s best marathon time decreased by 10% from 2005 to 2006 and by 20% from 2006 to 2007. By what percent did her best marathon time decrease from 2005 to 2007?
A. 28%
B. 30%
C. 50%
D. 72%
E. 10%

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10 ACT Practice Tests

ISBN: 9780071591461

2nd Edition

Authors: Steven Dulan

Question Posted: Aug 01, 2023 07:32 AM

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Amys best marathon time decreased by 10% from 2005 to 2006 and by 20% from 2006 to

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10 ACT Practice Tests

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