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September 20, 2014

September 20, 2014

Posted by **mark** on Thursday, January 12, 2012 at 6:52pm.

- Math -
**Reiny**, Thursday, January 12, 2012 at 8:13pmspeed of first part = 12miles/4hrs = 3 mph

speed of 2nd part = 5 mph

distance left to cover = 40 miles

time = 40 miles/(5 mph) = 8 hrs.

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