document.write( "Question 656340: Russ and Janet are running in Apple Hill Fun Run. Russ runs at 7 mph, Janet at 5 mph. If they start at the same time, how long will it be before they are 1/2 mile apart? \n" ); document.write( "
Algebra.Com's Answer #409480 by checkley79(3341)\"\" \"About 
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D=RT
\n" ); document.write( ".5=7T-5T
\n" ); document.write( ".5=2T
\n" ); document.write( "T=.5/2
\n" ); document.write( "T=.25 HOURS OR 15 MINUTES THEY ARE 1/2 MILE APART.
\n" ); document.write( "PROOF:
\n" ); document.write( ".5=7*.25-5*.25
\n" ); document.write( ".5=1.75-1.25
\n" ); document.write( ".5=.5
\n" ); document.write( "
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