document.write( "Question 337876: you leave your house driving at 50km/hr. your friend leaves your house 15 minutes later going in the same direction at 68 km/hr. how long will it take your friends to catch you? \n" ); document.write( "
Algebra.Com's Answer #242216 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
12.5 km lead
\n" ); document.write( "18 km/h overtake speed
\n" ); document.write( "12.5/18=0.69 hrs=41.5 min
\n" ); document.write( "
\n" );