<PRE><B>Question 320036</B>
the amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. 
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t = k/s
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A swimmer finishes a race in 300 seconds with an average speed of 4 feet per second.
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Find &quot;k&quot;
300 = k/4
k = 1200
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Equation for this swimmer:
t = 1200/s
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find the average speed of the swimmer if it takes 400 seconds to finish the race.
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400 = 1200/s
s = 1200/400
s = 3 ft per second
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Cheers,
Stan H.
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possible answers: A)2 feet per second B)4 feet per second C)5 feet per second D)3 feet per second 
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