SOLUTION: Two trains leave a station at the same time and are travelling in opposite directions. One is travelling at a rate of 35 km/h and the other is travelling at a rate of 65 km/h. In h
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Question 310686: Two trains leave a station at the same time and are travelling in opposite directions. One is travelling at a rate of 35 km/h and the other is travelling at a rate of 65 km/h. In how many hours will the trains be 350 km apart?
Answer by loni1234(7) (Show Source): You can put this solution on YOUR website!
v=speed
s=the distance
t=time
now the speed of the first train is v1=35km/h, the speed of the second train is 65km/h.
The distance for the first train is s1=v1*t and for the second train s2=v2*t
The distance betwen them will be s=s1+s2, s=(v1*t)+(v2*t), s=(v1+v2)*t
t=s/(v1+v2)=350km/(65km/h+35km/h)=3.5hours
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