document.write( "Question 437264: Solve. The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes 60 seconds to finish the race.\r
\n" ); document.write( "\n" ); document.write( "A. 5 feet per second
\n" ); document.write( "B. 4 feet per second
\n" ); document.write( "C. 7 feet per second
\n" ); document.write( "D. 6 feet per second
\n" ); document.write( "

Algebra.Com's Answer #302454 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi
\n" ); document.write( "*Note: When Quantities vary inversely,they are related by the relationship:
\n" ); document.write( " \"y+=+%28k%2Fx%29\" k being the constant of proportionality.
\n" ); document.write( "A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second
\n" ); document.write( " 75sec = k/4'/sec
\n" ); document.write( " 300 = k
\n" ); document.write( " t = 300/r
\n" ); document.write( " 60*r = 600
\n" ); document.write( " r = 5'/sec \n" ); document.write( "
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