Question 1196249
.


            Regarding the post by  @amoresroy,  the numbers in the answer are correct, 


            but the solution itself is  INADEQUATE.



This problem is a  Linear  Programming problem.


On solving typical  Linear  Programming problems,  see the lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/word/misc/Solving-minimax-problems-by--the-Linear-Programming-method.lesson>Solving minimax problems by the Linear Programming method</A> 

in this site.


Learn the subject from there.