Formulate but do not solve the following exercise as a linear programming problem. Perth Mining Company operates two mines for the purpose of extracting gold and silver. The Saddle Mine costs $16,000/day to operate, and it yields 55 or of gold and 3000 ou of silver each of days. The Horseshoe Mine costs $18,000/day to operate, and it yields 75 oz of gold and 1500 of siver each of y days. Company management has set a target of at least 750 2 of gold and 19.000 or of silver. How many days should each mine be operated so that the target can be met at a minimum cost Cind ? Minimie C subject to the constraints gold silver