a passenger train travelling at a constant speed covers a distance in 3hrs while an passenger train travelling 30 km/h faster covers the same distance in 2 hours find the speed of the two trains
Answers
Answered by
8
x/u=3
x/u+30=2
x=3u
x=2u+30
so u=30
x/u+30=2
x=3u
x=2u+30
so u=30
Similar questions