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January 29, 2015

January 29, 2015

Posted by **L** on Wednesday, September 30, 2009 at 1:29pm.

- college algebra -
**MathMate**, Wednesday, September 30, 2009 at 2:27pmIn any given hour,

fraction of tank filled, x = 1/3-1/5 = 2/15

Time to fill = 1/x = 15/2 = 7.5 hours

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