Question 162901
Well, if it travels 150km in 2 hours, then in 1 hour it will have travelled half as far - ie 75km.

or,mathematically put : speed = distance / time = 150/2 = 75 km/h

So if it does 75km in 1 hour then in 7 hours it will go 7 times as far as that.

distance = 7 X 75 = 525 km.