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Perth Mining Company operates two mines for the purpose of extracting gold and silver. The Saddle...

Perth Mining Company operates two mines for the purpose of extracting gold and silver. The Saddle Mine costs $15,000/day to operate, and it yields 65 oz of gold and 2800 oz of silver each day. The Horseshoe Mine costs $16,000/day to operate, and it yields 70 oz of gold and 900 oz of silver each day. Company management has set a target of at least 405 oz of gold and 11,100 oz of silver. How many days should each mine be operated so that the target can be met at a minimum cost?

saddle mine =? days

horseshoe mine=? days

what is the minimum cost?

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