Problema Solution
a frieght train leaves the station and travels 45mi/hr. Three hours later a passenger train leaves travls 75mi/hr.
a. how long does it take the passenger train to overtake the frieght train
b.how far will each train travel
Answer provided by our tutors
i) let after x hr passenger train cross frieght train
75x = 45*(x+3)
75x -45x = 135
30x = 135 gives x = 135/30 = 4.5 hrs
ii) distance travelled by each train = 75*4.5 = 337.5 miles