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 cover the same distance if the speed of the train is increase to 58.8 km per hour
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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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