document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=703170>Question 703170</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Two train leave the same station at the same time and head in opposite direction. One train is traveling 20 mi/h faster than the other. In 5 hours, they were 800 miles apart, find the rate of each rate? </SPAN>\n" );
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document.write( "LET X & (X+20) BE THE SPEEDS.<BR>\n" );
document.write( "800=(X+X+20)*5<BR>\n" );
document.write( "800=(2X+20)*5<BR>\n" );
document.write( "800=10X+100<BR>\n" );
document.write( "10X=800-100<BR>\n" );
document.write( "10X=700<BR>\n" );
document.write( "X=700/100<BR>\n" );
document.write( "X=70 MPH. FOR THE SLOWER TRAIN.<BR>\n" );
document.write( "70+20=90 MPH. FOR THE FASTER TRAIN.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "800=(70+90)5<BR>\n" );
document.write( "800=160*5<BR>\n" );
document.write( "800=800 </SPAN>\n" );
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