Problem 87

Problem
of the
Week

PROBLEM 87

This oldie-but-goodie was suggested by Bill Evans and Ron Guerin.

You are paddling your canoe upsteam at a constant velocity. After paddling for six miles, the wind blows your hat into the stream and the hat begins flowing downstream. You continue to paddle upstream for two more hours before noticing that your hat is missing, at which time you turn around and paddle downstream at the same rate you had paddled upstream, overtaking your hat just as you return to your original starting point. What is the speed of the current?

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