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March 6, 2015

March 6, 2015

Posted by **jim** on Thursday, September 30, 2010 at 11:21pm.

- Physics -
**MathMate**, Friday, October 1, 2010 at 7:29amB=velocity of boat

R=velocity of river

2*(B+R)=30

6.5*(B-R)=30

Solve for B and R

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