A train covers the distance d between two cities in h hours arriving j hours late. what rate would permit the train to arrive on schedule?
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Speed = Distance/Time
Distance = d
Time taken = h
But train is late by 2 hours
So, the time taken should have been h-2
So, Speed required to be on time = d/(h-2)
Distance = d
Time taken = h
But train is late by 2 hours
So, the time taken should have been h-2
So, Speed required to be on time = d/(h-2)
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