document.write( "Question 422314: Lucas ran away from home at 7:15 p.m. running at a rate of 5 kph. His father set out after him 15/2 hours later. At what time did the father overtake the son if he was able to pursue at the rate of 8 kph? \n" ); document.write( "
Algebra.Com's Answer #294776 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Lucas speed 5 kph \n" ); document.write( "father's rate 8 kph \n" ); document.write( " \n" ); document.write( "Difference in time= 7.5 hours (15/2) hours \n" ); document.write( "Lucas will have covered 37.5 km father starts \n" ); document.write( " \n" ); document.write( "catch up distance=37.5 km \n" ); document.write( "catch up speed = 8-5 kph \n" ); document.write( "catch up speed = 3 kph \n" ); document.write( " \n" ); document.write( "Catchup time = catchup distance/catch up speed \n" ); document.write( "catch up time=37.5/3 \n" ); document.write( "catch up time= 12.5 hours \n" ); document.write( " \n" ); document.write( " |