A grocer mixes peanuts that cost $1.41 per pound and walnuts that cost $2.61 per pound to make 100 pounds of a mixture that costs $1.89 per pound. How much of each kind of nut is in the mixture?

Respuesta :

w = 60 lb (amt. of walnuts needed)

100-w = 40 lb (amt. of peanuts needed)

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