d 3 kilom is located
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter8: Functions
Section8.7: Direct And Inverse Variation
Problem 36PS
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Question
Transcribed Image Text:William is staying in a cottage along a beautiful and
straight shoreline. A point on the shoreline is
located 3 kilometers east of the cottage, and an
island is located 2 kilometers north of Q (see image
below). William plans to travel from the cottage to
the island by some combination of walking and
swimming. He can start to swim at any point P
between the cottage and the point Q. If he walks at
a rate of 7 km/hr and swims at a rate of 5 km/hr,
what is the minimum possible time it will take
William to reach the island?
Enter an exact answer or round to the nearest
hundredth of an hour.
Cottage
Shoreline 3 km
Provide your answer below:
hours
Island
Water 2 km
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