document.write( "Question 909925: A truck enters a highway driving 60 mph. A car enters the highway at the same place 13 minutes later and drives 66 mph in 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 #552122 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Gaining speed 66 -60= 6 mph \n" ); document.write( "Headstart 60*0.21666667 =13.0 miles \n" ); document.write( "Time to catch up 13.0/6=2 1/6 hours= 2 hours 10 minutes \n" ); document.write( "Algebraic solution \n" ); document.write( "60(t+0.21666667)=66t \n" ); document.write( "60t+13.0=66t \n" ); document.write( "13.0=66t-60t \n" ); document.write( "13.0=6t \n" ); document.write( "t=13.0/6=2 1/6 hours= 2 hours 10 minutes \n" ); document.write( "Distance to meeting 2.16666667*66=143 miles \n" ); document.write( "code drt1 \n" ); document.write( " \n" ); document.write( " |