hi i need help as soon as you can. hi i need help as soon as you can. hi i need help as soon as you can. hi i need help as soon as you can. hi i need...

hi i need help as soon as you can. hi i need help as soon as you can. hi i need help as soon as you can. hi i need help as soon as you can. hi i need help as soon as you can.

Two trains leave Calgary at the same time, but travelling opposite directions. the first train is travelling at 11 km/h and the second train is travelling at 49 km/h. how far apart are the trains after 90 minutes?