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Easy Logic Problems
A person crosses a river on a paddle boat.

Sun Jan 30, 2011 6:24 am  by tartle

A person crosses a river on a paddle boat.
He took 4 hours while paddling against the water flow
and 3 hours while paddling in the direction of the water flow.
On still waters, how long would he take?
Fri Mar 18, 2011 5:15 pm  by ChibiHoshi

Assuming the distances are all equal and they cancel each other out

Rower+River=3 hours
Rower-River=4 hours
Basic algebra


Rower alone takes 3.5 hours
Tue Jul 12, 2016 6:43 am  by Dzallen

The correct equations (rower and river representing respective speeds) would be:


time=distance/rower=24/7=~3.43 hours
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