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July 30, 2014

July 30, 2014

Posted by **Trisan** on Sunday, October 18, 2009 at 7:29pm.

- Algebra 2 -
**Reiny**, Sunday, October 18, 2009 at 9:51pmLet the speed of the boat be x km/h

60/(16+x( + 60/(16-x) = 5

hint: multiply each term by (16+x)(16-x)

(I got x=8)

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