Question 947071
you're traveling at 5 kmph (kilometers per hour).


so every  hour you will be 5 km further down the road.


you start at 2 km.


2 km + 5 = 7 + 5 = 12 + 5 = 17 + 5 = 22, etc.


your sequence would be selection B. 2, 7, 12, 17, 22, ...


there are the distances you would be away from home every hour, starting from 2 km away which is where the fountain is.


your 0 hour point is 2 km from home.
your 1 hour point is 7 km from home.
your 2 hour point is 12 km from home.
etc.