Re: [MATHEDCC] Have you heard this one? Another go

Steve Kraisler (stevek@ICDC.COM)
Tue, 08 Apr 1997 16:59:03 -0400

A
>Another non-intuitive problem I like, more "realistic", is the airplane that
>can fly at 100 mph in still air. It makes regular sight-seeing trips between
>two airports that are 100 miles apart, without landing. On a certain windy
>day it flies between the two airports. Going, into a 20 mph headwind, and
>coming back it has a 20 mph tailwind. Neglecting turning time, what is the
>flight time?
>
>Phil Mahler
>Middlesex CC
>Bedford, MA
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2 hours 50 minutes

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