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July 30, 2014

July 30, 2014

Posted by **JD Smith** on Sunday, September 19, 2010 at 7:37pm.

- Physics -
**bobpursley**, Sunday, September 19, 2010 at 8:06pmThe first boat takes 400/12 hrs, or 33 1/3 hrs.

the second boat has to get there in 33 1/3 - 2 1/4 hrs.

speed second boat: 400/time above.

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