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January 30, 2015

January 30, 2015

Posted by **Sarah** on Sunday, March 25, 2012 at 2:19pm.

- Math -
**Henry**, Monday, March 26, 2012 at 11:41pmVb + Vc = 12.

Vb - Vc = 9.

Add the Eqs:

2Vb = 21.

Vb = 10.5 MPH.

Vc = 1.5 mph.

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