document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=702440>Question 702440</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "a cyclist circles for x hours for 12km per hour and  y hours for 18km per hour,altogether he circles 5 hours for 78km per hour.what is x and y </SPAN>\n" );
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document.write( "78=12T+18(5-T)<BR>\n" );
document.write( "78=12T+90-18T<BR>\n" );
document.write( "78-90=-6T<BR>\n" );
document.write( "-12=-6T<BR>\n" );
document.write( "T=-12/-6<BR>\n" );
document.write( "T=2 HOURS FOR THE 12 MPH. TRIP.<BR>\n" );
document.write( "5-2=3 HOURS FOR THE 18MPH TRIP.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "78=12*2+18*3<BR>\n" );
document.write( "78=24+54<BR>\n" );
document.write( "78=78 </SPAN>\n" );
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