Mathematics, 06.11.2020 16:20 thruhdyjgrt
A farmer can buy two types of plant food, mix 8 Each of contains 20 pounds of phosphoric acid 30 pounds of nitrogen, pounde potash Each cubic yard B contains 10 pounds of phosphoric 30 pounds of nitrogen 10 pounds of potash The minimum monthly requirements 420 pounds of phosphoric acid , 930 pounds of nitrogen 200 pounds of potash $30 yard and mix B yard, how many of each should the farmer to the minimum monthly requirements at a minimum cost? What is this cost?
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A farmer can buy two types of plant food, mix 8 Each of contains 20 pounds of phosphoric acid 30 pou...
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