Problema Solution
the distance d traveled by train varies directly as the time t that it travels. the train travels 60km in 1/2 hour. how far will it travel in 2 hours?
Answer provided by our tutors
The distance: D
The time: t
D = k*t
D = 60km, t = 1/2 hr, k= 60/1/2 = 120
So when t = 2 hrs, D = 2*120 = 240 km.
It travels 240 km in 2 hours