document.write( "Question 313919: Two bicyclists start at the same time at a given point and travel in the same direction at average speeds of 8 miles per hour and 10 miles per hour. After how long are the bicyclists 5 miles apart? \n" ); document.write( "
Algebra.Com's Answer #224451 by checkley77(12844)\"\" \"About 
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D=RT
\n" ); document.write( "D=8T
\n" ); document.write( "D=10T-5
\n" ); document.write( "8T=10T-5
\n" ); document.write( "8T-10T=-5
\n" ); document.write( "-2T=-5
\n" ); document.write( "T=-5/-2
\n" ); document.write( "T=2/5
\n" ); document.write( "T=2.5 HOURS THEY WILL BE 5 MILES APART.
\n" ); document.write( "PROOF:
\n" ); document.write( "8*2.5=10*2.5-5
\n" ); document.write( "20=25-5
\n" ); document.write( "20=20\r
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