document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=984779>Question 984779</A>: <I><SPAN STYLE=\"word-break: break-all;\"> two trucks leave a warehouse at the same time and travel in opposite directions. the faster truck travels on average about 8 mph faster than the other truck. after 5 hours the trucks are 580 miles apart. how fast does each truck travel? </SPAN>\n" );
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document.write( "The trucks separate at a rate of 580mi/5hrs=116 mph<BR>\n" );
document.write( "116 mph is the sum of the two trucks speeds.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "S=rate of slower truck; F=rate of faster truck=S+8mph<BR>\n" );
document.write( ".<BR>\n" );
document.write( "S+F=116mph<BR>\n" );
document.write( "S+(S+8)=116mph<BR>\n" );
document.write( "2S=108mph<BR>\n" );
document.write( "S=54mph ANSWER 1: The slower truck averages 54 mph.<BR>\n" );
document.write( "F=S+8mph=54mph+8mph=62mph ANSWER 2: The faster truck travels 62 mph.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( "Distance of slower truck + distance of faster truck=580 mi<BR>\n" );
document.write( "(5 hrs)(54 mph)+(5hrs)(62mph)=580 mi<BR>\n" );
document.write( "270 mi+310 mi=580 mi<BR>\n" );
document.write( "580 mi=580 mi </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );