document.write( "Question 827032: Train A leaves the station traveling east at 55 mph while train B leaves the station 45 minutes later traveling west at 70 mph. Choose the equation below that represents the distance in miles between the two trains, D, as a function of T, the time in hours after train B has departed \n" ); document.write( "
Algebra.Com's Answer #498403 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Train A leaves the station traveling east at 55 mph \n" ); document.write( " while train B leaves the station 45 minutes later traveling west at 70 mph. \n" ); document.write( " Choose the equation below that represents the distance in miles between the two trains, D, as a function of T, the time in hours after train B has departed \n" ); document.write( ": \n" ); document.write( "Change 45 min to .75 hrs \n" ); document.write( "Distance = speed * time \n" ); document.write( "Train A's distance = 55(t+.75) \n" ); document.write( "Train B's distance = 70t \n" ); document.write( "The equation \n" ); document.write( "D(t) = 70t + 55(t+.75) \n" ); document.write( " |