Chapter 4, Problem 25RE

Convert each problem into a maximization problem and then solve each problem using both the dual method and the method of Section 4.4.

$\begin{array}{cc}\begin{array}{l}\text{Minimize}\\ \text{subject to:}\\ \\ \text{with}\end{array}& \begin{array}{l}w=10y_1+15y_2\\ y_1+y_2\ge 17\\ 5y_1+8y_2\ge 42\\ y_1\ge 0,y_2\ge 0.\end{array}\end{array}$