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OpenStudy (anonymous):
could some double check this please If train a is at the train station at 3:25 at 3:55 it will have travelled (1/2 times 100 )miles So it is 50 miles ahead of train b 104-100 =4 difference in speeds 50/4=12.5= 12 hours 30 mins (distance apart/difference in speeds) 3:55 + 12 hours 30 mins 4:25am But you might want to get someone else to check that
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