document.write( "Question 1110390: Two trains travel at speeds of 72km/h and 48km/h respectively. If they start at the same time and travel towards each other from two places 600m apart, how long will it be before they meet?
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Algebra.Com's Answer #725372 by ikleyn(52813)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "72 km/h = 20 m/second.\r\n" ); document.write( "\r\n" ); document.write( "48 km/h = 15 m/second.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "They will meet when they travel this initial distance of 600 meters between them:\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "20*t + 15*t = 600,\r\n" ); document.write( "\r\n" ); document.write( "(20+15)*t = 600,\r\n" ); document.write( "\r\n" ); document.write( "t =\r \n" ); document.write( "\n" ); document.write( "----------------- \n" ); document.write( "See introductory lessons on Travel and Distance problems\r \n" ); document.write( "\n" ); document.write( " - Travel and Distance problems \r \n" ); document.write( "\n" ); document.write( " - Travel and Distance problems for two bodies moving in opposite directions \r \n" ); document.write( "\n" ); document.write( " - Travel and Distance problems for two bodies moving in the same direction (catching up)\r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "They are written specially for you.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You will find the solutions of many similar problems there.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Read them and learn once for all from these lessons on how to solve simple Travel and Distance problems.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Become an expert in this area.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |