document.write( "Question 1056201: The distance between two cities is 145 miles. A truck can cover this distance in 2.5 hours. The speed of a car is 1.5 times faster than the speed of the truck. How long does it take them to meet, if they start moving towards each other simultaneously? \n" ); document.write( "
Algebra.Com's Answer #671394 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! r = D/t \n" ); document.write( "truck \n" ); document.write( "r = 145mi/2.5hr = 58mph \n" ); document.write( "car \n" ); document.write( "r = (1.5)58 = 87mph \n" ); document.write( "| \n" ); document.write( "D the distance the truck travels: t = D/r \n" ); document.write( "D/58 = (145-D)/87 \n" ); document.write( "87D = 58(145-D) \n" ); document.write( "145D = 58*145 \n" ); document.write( "D = 58*145/14E = 58mi \n" ); document.write( "Time = 58mi/58mph = 1hr they will meet. \n" ); document.write( "checking \n" ); document.write( "58mi + 87mi = 145mi CHECKS!\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |