wishes to cross tje 40-ft wide river to point B,

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 14P
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A man can swim at 4 ft/s in still water. He
wishes to cross tje 40-ft wide river to point B, 30
ft downstream. If the river flows with a velocity
of 2 ft/s, determine the speed of the man and
the time needed to make the crossing. Note
While in the water he must not direct himself
toward point B to reach the point
Transcribed Image Text:A man can swim at 4 ft/s in still water. He wishes to cross tje 40-ft wide river to point B, 30 ft downstream. If the river flows with a velocity of 2 ft/s, determine the speed of the man and the time needed to make the crossing. Note While in the water he must not direct himself toward point B to reach the point
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