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)\"\" \"About 
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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( "
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