Friday

April 18, 2014

April 18, 2014

Posted by **Lee** on Monday, November 22, 2010 at 5:41pm.

#8)One type of lawn fertilizer consists of a mixture of nitrogen, phosphorus and potassium. An 80lb sample contains 8 move lbs of nitrogen and phosphorus than potassium. There is 16lb more potasssium than 5 times the amount of phosphorus. Let x be the amount of nitrogen, let y be the amount of phosphorus and let z be the amount potassium in the sample. Find the amount of each of the chemicals in the sample.

X = _____

y = _____

z = _____

(Hint: you must set up and solve a 3 by 3 systems of equations.)

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