# Problem 3a -- Formula correction

From MurrayWiki

The formula given in problem 3a is incorrect. It should be be replaced with:

--Mary Dunlop 19:29, 17 October 2006 (PDT)

From MurrayWiki

The formula given in problem 3a is incorrect. It should be be replaced with:

--Mary Dunlop 19:29, 17 October 2006 (PDT)