document.write( "Question 385314: Grace starts biking at 12 mph. One hour later, Dan starts biking at 15 mph, following the same route. How long will it take him to catch up with Grace? \n" ); document.write( "
Algebra.Com's Answer #272623 by mananth(16946)\"\" \"About 
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Grace starts biking at 12 mph. One hour later, Dan starts biking at 15 mph, following the same route. How long will it take him to catch up with Grace?
\n" ); document.write( "...
\n" ); document.write( "Grace = 12 mph
\n" ); document.write( "Dan = 15 mph
\n" ); document.write( "..
\n" ); document.write( "hrace has traveled 12 miles when Dan starts
\n" ); document.write( "distance to make up =12miles
\n" ); document.write( "catch up speed = 15-12 = 3mph
\n" ); document.write( "t=d/r
\n" ); document.write( "t=12/3
\n" ); document.write( "t= 4 hours
\n" ); document.write( "...
\n" ); document.write( "m.ananth@hotmail.ca
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