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eo352971 · 07-22-2008, 04:20 AM

hey chestnut, how come for the 2nd problem it is 75 (t-2)? I understand why it works out, but my natural instinct is to make it (t+2) as the second train left 2 hours later...?

Thanks!

07-22-2008, 04:20 AM	#3 (permalink)
eo352971 Trying to make mom and pop proud Join Date: Jul 2008 Posts: 8	hey chestnut, how come for the 2nd problem it is 75 (t-2)? I understand why it works out, but my natural instinct is to make it (t+2) as the second train left 2 hours later...? Thanks!