document.write( "Question 173493: two trains leave a station at the same time, heading in opposite directions. One train is traveling at 80 km/h, the other at 90 km/h. how long will it take for the trains to be 425 km apart? \n" ); document.write( "
Algebra.Com's Answer #128382 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! They are moving away from each other at (80+90) or 170km/h\r \n" ); document.write( "\n" ); document.write( "ow long does it take to go 425km at 170km/hr?\r \n" ); document.write( "\n" ); document.write( "425/170= 2.5 hours \n" ); document.write( " |