document.write( "Question 997713: karen and andrew start out from towns 164 km apart and drive towards each other. Andrew travels at a rate of 40km/h and karen at 48km/h. If karen begins the journey 15 minutes after andrew, how long after andrew leaves will they meet? \n" ); document.write( "
Algebra.Com's Answer #615686 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! karen and andrew start out from towns 164 km apart and drive towards each other. Andrew travels at a rate of 40km/h and karen at 48km/h. If karen begins the journey 15 minutes after andrew, how long after andrew leaves will they meet? \n" ); document.write( "let x=travel time of karen \n" ); document.write( "15 min=1/4 hr \n" ); document.write( "x+1/4 =travel time ofAndrew \n" ); document.write( "Dstance=travel time*rate \n" ); document.write( "48x+40(x+1/4)=164 \n" ); document.write( "48x+40x+10=154 \n" ); document.write( "88x=154 \n" ); document.write( "x=31.75hr=1 hr and 45 min \n" ); document.write( "how long after andrew leaves will they meet? 1 hr and 45 min \n" ); document.write( " |