document.write( "Question 575237: one travel 55 mph and the other travel 45 mph in opposite directions. How long will it take them to travel a total distance of 240 miles? \n" ); document.write( "
Algebra.Com's Answer #369540 by chana(69)\"\" \"About 
You can put this solution on YOUR website!
one travel 55 mph and the other travel 45 mph in opposite directions. How long will it take them to travel a total distance of 240 miles?
\n" ); document.write( "sol:
\n" ); document.write( "time taken by first + time taken by second train = total time taken
\n" ); document.write( "time taken = distane /speed
\n" ); document.write( "(240/55) + (240/45) = 9.7 hours
\n" ); document.write( "
\n" );