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January 31, 2015

January 31, 2015

Posted by **Michael** on Thursday, April 26, 2012 at 10:57pm.

- word-math problem -
**Steve**, Friday, April 27, 2012 at 11:30ama = 80,000

r = 7/8

infinite sum is a/(1-r) = 80,000/(1/8) = 640,000

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