a man travels a certain distance by train in 4 hr and 12 minutes at the speed of 44.8 km per hour. how much time will it take to c

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1. Answer:

   If the speed of the train is increase to 58.8 km per hour it will take to cover the same distance 188.16km in 3hr 12mins

   Step-by-step explanation:

   case (1), t = 4hr 12 = 4 (12/60) = 4 1/5 = 21/5hr

   s = 44.8km/hr

   d = st = 44.8(21/5)

   = 188.16km

   case (2), d = 188.16km s = 58.8km/hr

   t = d/s = 188.16/58.8

   = 3.2 = 3hr 12min

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