document.write( "Question 307256: Two cyclists start biking from a trail's start 3 hours apart. The second cyclist travels at 10 mph and starts 3 hours after the first cyclist who is traveling at 6 mph. How much time will pass before the second cyclist catches up with the first from the time the second cyclist started biking?\r
\n" );
document.write( "\n" );
document.write( "Not sure if this is Combinatorics, but help is appreciated :) \n" );
document.write( "
Algebra.Com's Answer #219868 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=6T \n" ); document.write( "D=10(T-3) \n" ); document.write( "THE 2 DISTANCES ARE EQUAL. \n" ); document.write( "6T=10(T-3) \n" ); document.write( "6T=10T-30 \n" ); document.write( "6T-10T=-30 \n" ); document.write( "-4T=-30 \n" ); document.write( "T=-30/-4 \n" ); document.write( "T=7.5 HOURS. \n" ); document.write( "PROOF: \n" ); document.write( "6*7.5=10(7.5-3) \n" ); document.write( "45=1-*4.5 \n" ); document.write( "45=45 \n" ); document.write( "7.5-3=4.5 HOURS AFTER THE SECOND RIDER LEAVES THEY WILL MEET. \n" ); document.write( " |