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how long will they travel before they meet?

Mathematics
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JIm paddles from one shore of a lake three miles wide at 4 mph, and john paddles from the opposite shore at 5 mph. HOw long will they travel before they meet?

Apr 6th, 2015

4 mph/ (4 mph + 5 mph )= 4/9 

4/9 * 3 miles = 4/3 miles

4/3 miles / 4 mph = 1/3 hour or 20 minutes

Apr 6th, 2015

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