8. At 3 o'clock I had completed2/5 th of my journey, and at 5 o'clock2/3of the same;when did I start and arrive?
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Answer:
at 3o clock ,
2/5=6/15
at 5o clock
2/3=10/15
so 4/15 per hour,
then started at 3 - 1.5 = 1 : 30
ended 5 + 1.5 = 6 : 30
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