DERIVE for Windows version 5.04 DfW file saved on 21 Jun 2005 ÿÿCTextObj ãÀÿŒ{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fnil\fcharset2 DfW5 Printer;}} \viewkind4\uc1\pard\f0\fs24 The Hanging Package in 3-D (Engineer-Style) \par \par The three equations in three unknowns are: \par \par 0a + 1b - 2c = 0 \par -4a + 2b + 3c = 0 \par 3a + 3b + 3c = 50 \par \par Click on "Solve|System" from the pull-down menus. \par We have 3 equations. \par } ÿÿCExpnObj8ÌØØSolve(User,[a,b,c])ð¿