Problema Solution

how many pounds of walnuts at 84 cents/lb should be mixed with 20lb of pecans worth 1.20/lb to give a mixture worth 1.04/lb

Answer provided by our tutors

let


w = lbs of walnuts


0.84w + 1.20*20 = 1.04(w + 20)


by solving we find:


w = 16 lbs


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16 pounds of walnuts should be used for the mixture.