document.write( "Question 352240: Mandy begins bicycling west at 30 mi/h at 11 a.m. If Liz leaves the same point 20 minutes later bicycling west at 36 mi/h, at what time will Liz catch up with Mandy? \n" ); document.write( "
Algebra.Com's Answer #251739 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! D=RT \n" ); document.write( "D=30T \n" ); document.write( "D=36(T-1/3) \n" ); document.write( "30T=36(T-1/3) \n" ); document.write( "30T=36T-12 \n" ); document.write( "30T-36T=-12 \n" ); document.write( "-6T=-12 \n" ); document.write( "T=-12/-6 \n" ); document.write( "T=2 HOURS THE SECOND CYCLIST WILL CATCH THE FIRST CYCLIST. \n" ); document.write( "PROOF: \n" ); document.write( "30*2=36(2-1/3) \n" ); document.write( "60=36*5/3 \n" ); document.write( "60=12*5 \n" ); document.write( "60=60 \n" ); document.write( " |