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September 18, 2014

September 18, 2014

Posted by **alex** on Saturday, October 2, 2010 at 7:51pm.

- math -
**bobpursley**, Saturday, October 2, 2010 at 8:49pmc+b=48km/2hrs

b-c=48/3

add the equations

2b=24+16=40

b=20km/hr

you then find a

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