Question

A train travelled a certain distance at constant speed. If the train had been 6km per hour faster,it would have taken 4 hours less than the scheduled time. If the train were slower by 6 km per hr then it would have taken 6 hours more than the scheduled time. Find the distance covered by the train.

Answer 1

Answer:

Step-by-step explanation:

speed=x and time=y

lenght of whole journey=xy

condition :1

(x+6)(y-4)=xy

2x-3y=-12

condition:2

(x-6)(x+6)=xy

x-y=6

on multipling condition 2 by 3

x=30 and y=24

Answer 2

Answer:

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