A train travels 120 km/hr for 2.0 hours. It slows down to 100.0 km/hr for 1.0 hour. How far has the train traveled after 3.0 hours?

Answer 1

First 2 hours, distance = speed x time = 120 x 2 = 240 km

Last hour, distance = 100 x 1 = 100 km

So after 3 hours, 240 + 100 = 340 km

Mike