Problema Solution

she needs to prepare 170 pounds of blended coffee beans selling for $4.43 per pound. She plans to do this by blending together a high quality bean costing $5.25 per pound and a cheaper bean at $3.25 per pound. how much high quality coffee bean and how much cheaper coffee bean should she blend

Answer provided by our tutors

let


x = lbs of high quality bean costing $5.25 per pound


y = lbs of cheaper bean costing 3.25 per pound


she needs to prepare 170 pounds of blended coffee beans selling for $4.43 per pound:


x + y = 170


5.25x + 3.25y = 4.43*170


by solving the above system of equations we find:


x = 100.3 lbs


y = 69.7 lbs


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100.3 lbs of high quality coffee bean and 69.7 lbs of much cheaper coffee bean should be blended.