document.write( "Question 473179: Two persons are to run a race, but one can run 10 meters per second, whereas the other can run 6 meters per second. If the slower runner has a 70-meter head start, how long will it be before the faster runner catches the slower runner, if they begin at the same time? \n" ); document.write( "
Algebra.Com's Answer #324492 by Alan3354(69443)\"\" \"About 
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The faster gains on the slower runner at 4 m/sec (10 - 6)
\n" ); document.write( "(Or, the speed of the faster runner relative to the slower is 4 m/sec)
\n" ); document.write( "70 m/4 m/sec = 17.5 seconds
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