document.write( "Question 399274: If a parade 1 mi long is proceeding at 3 mph, how long will it take a runner jogging at 7 mph to travel from the end of the parade to the start of the parade? \n" ); document.write( "
Algebra.Com's Answer #282774 by scott8148(6628)\"\" \"About 
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the runner is moving 4 mph (7 mph - 3 mph) relative to the parade\r
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\n" ); document.write( "\n" ); document.write( "it would take him 15 min (1 mi / 4 mph) to travel the length of the parade
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