Suppose fertilizer A is 25-2-5 (amount of nitrogen, phosphoric acid and potash, respectively) and B is 32-1-2. How much of each type should one use to produce a mixture that contains 629 pounds of nitrogen, 35.5 pounds of phosphoric acid and 84 pounds of potash?

Suppose fertilizer A is 25-2-5 (amount of nitrogen, phosphoric acid and potash, respectively) and B is 32-1-2. How much of each type should one use to produce a mixture that contains 629 pounds of nitrogen, 35.5 pounds of phosphoric acid and 84 pounds of potash?

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter12: Quadratic Functions

Section12.8: Joint And Combined Variation

Problem 11P

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