A triceratops leaves Philadelphia running west at 15 mph at 7:00 AM. An hour later, a T-rex leaves Chicago running east at 20 mph. If the distance between Philadelphia and Chicago is 760 miles, at what time do they meet?
A triceratops leaves Philadelphia running west at 15 mph at 7:00 AM. An hour later, a T-rex leaves Chicago running east at 20 mph. If the distance between Philadelphia and Chicago is 760 miles, at what time do they meet?