document.write( "Question 902234: Running at an average rate of 7 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 3 meters per second. The total time for the sprint and the jog back was 3 minutes 30 seconds. Find the length of the track. \n" ); document.write( "
Algebra.Com's Answer #547218 by MathTherapy(10552)\"\" \"About 
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Running at an average rate of 7 meters per second, a sprinter ran to the end of a track. The sprinter then jogged back to the starting point at an average rate of 3 meters per second. The total time for the sprint and the jog back was 3 minutes 30 seconds. Find the length of the track.
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\n" ); document.write( "\"D%2F7+%2B+D%2F3+=+210\"
\n" ); document.write( "Solve for D, the length of the track
\n" ); document.write( "It is that SIMPLE!!
\n" ); document.write( "Then do a check!! \r
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\n" ); document.write( "\n" ); document.write( "Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.
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