. . . . . . google for "linear programming word
problem"
http://www.algebralab.org/Word/Word.aspx?file=Algebra_LinearProgramming.xml
http://www.algebralab.org/lessons/lesson.aspx?file=Algebra_LinearProgramming.xml
http://www.purplemath.com/modules/linprog3.htm
http://www.purplemath.com/modules/linprog5.htm
http://www.sce.carleton.ca/faculty/chinneck/po/Chapter2.pdf
http://mathforum.org/library/drmath/view/52852.html
http://www.sosmath.com/CBB/viewtopic.php?p=2587&sid=913ffdd4a52c37fef15a04e63eda83e0
Math Archives: Linear
and Nonlinear programming, a list of topics; many of these pages have links
to yet more pages.
Linear
Programming FAQ, from the Optimization Technology Center of Northwestern University and Argonne National Laboratory