a train full of bubble gum is on its way to deliver its cargo to Your school collegiate. The chew-chew is travelling at 9.0 km/h along a straight(not Wrigley) section of track towards a bridge. a girl is on the bridge. 2/5 of the way from the train side. she can escape the oncoming train by running in either direction. How fast, in km/h, can she run?