document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=578387>Question 578387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cyclists start at the same point but travel in opposite directions. Cyclist 1 travels at 3 mph. Cyclist 2 travels at 4 mph. How long will it take before they are 16.8 mile apart? </SPAN>\n" );
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document.write( "When traveling in opposite directions, you can effectively add their speeds(velocities):\r<BR>\n" );
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document.write( "C1= 3mph<BR>\n" );
document.write( "C2= 4mph\r<BR>\n" );
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document.write( "Aggregate speed = 3+4= 7mph\r<BR>\n" );
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document.write( "d=rt\r<BR>\n" );
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document.write( "16.8 = 7t\r<BR>\n" );
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document.write( "t = 16.8/7 = 2.4 hours\r<BR>\n" );
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document.write( "CHECK\r<BR>\n" );
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document.write( "3(2.4) + 4(2.4) = 16.8 &#8730; </SPAN>\n" );
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