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December 21, 2014

December 21, 2014

Posted by **Anonymous** on Tuesday, November 8, 2011 at 10:50am.

- math -
**Steve**, Tuesday, November 8, 2011 at 3:14pmtime = distance/speed

d/8 + d/5 = 3.25 = 13/4

clear fractions by multiplying by 40:

5d + 8d = 130

13d = 130

d = 10

10km at 8km/h = 1.25 hrs

10km at 5km/h = 2 hours

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