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December 22, 2014

December 22, 2014

Posted by **victor** on Friday, March 9, 2012 at 4:57pm.

- college math -
**Damon**, Friday, March 9, 2012 at 5:03pmv = boat speed

speed downstream = (v + 6)

speed upstream = (v-6)

time = distance/speed

160/(v+6) = 96/(v-6)

10/(v+6) = 6/(v-6)

5/(v+6) = 3/(v-6)

3(v+6) = 5(v-6)

3 v + 18 = 5 v - 30

2 v = 48

v = 24 mph

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