document.write( "Question 724860: The distance between cities A and B along route 80 is 42 miles, with B to the west of A. At 8:20 a.m. two trucks start driving west via route 80; one from A at 65 mi/h, and the other from B at 58 mi/h. How far away from A are the trucks when they are side by side? \n" ); document.write( "
Algebra.Com's Answer #443917 by mananth(16946)![]() ![]() You can put this solution on YOUR website! They are travelling in the same direction\r \n" ); document.write( "\n" ); document.write( "Truck from A speed = 65 mph \n" ); document.write( "Truck from B speed = 58 mph\r \n" ); document.write( "\n" ); document.write( "effective speed = 7 mph\r \n" ); document.write( "\n" ); document.write( "distance between A & B is 42 miles\r \n" ); document.write( "\n" ); document.write( "Catch up time = catch up distance / catch up speed\r \n" ); document.write( "\n" ); document.write( "=42/7 \n" ); document.write( "= 6 hours\r \n" ); document.write( "\n" ); document.write( "Truck from A speed =65 mph\r \n" ); document.write( "\n" ); document.write( "therefore they are 65*6 = 390 miles from A\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |