document.write( "Question 779989: A truck enters a highway driving 60 mph. A car enters the highway at the same place 14 minutes later and drives 73 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck? \n" ); document.write( "
Algebra.Com's Answer #475444 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! A truck enters a highway driving 60 mph. A car enters the highway at the same place 14 minutes later and drives 73 mph in the same direction. From the time the car enters the highway, how long will it take the car to pass the truck? \n" ); document.write( "*** \n" ); document.write( "let x=time it takes for car to pass truck \n" ); document.write( "distance=travel time*speed \n" ); document.write( "14 min=14/60 hr=7/30 hr \n" ); document.write( ".. \n" ); document.write( "60(x+(7/30))=73x \n" ); document.write( "60x+14=73x \n" ); document.write( "13x=14 \n" ); document.write( "x=14/13 \n" ); document.write( "time it takes for car to pass truck=(14/13) hrs \n" ); document.write( " \n" ); document.write( " |