document.write( "Question 705304: If Gregory if traveling 40 mph and left home an hour before Alyssa, how long will it take Alyssa to catch up to Gregory if Alyssa is going 50 mph? \n" ); document.write( "
Algebra.Com's Answer #434568 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( "D=40T GREGORY
\n" ); document.write( "D=50(T-1)
\n" ); document.write( "40T=50(T-1)
\n" ); document.write( "40T=50T-50
\n" ); document.write( "40T-50T=-50
\n" ); document.write( "-10T=-50
\n" ); document.write( "T=-50/-10
\n" ); document.write( "T=5 HOURS FOR GREGORY.
\n" ); document.write( "5-1=4 HOURS FOR ALYSSA.
\n" ); document.write( "PROOF:
\n" ); document.write( "40*5=50*4
\n" ); document.write( "200=200
\n" ); document.write( "
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