SOLUTION: Nutz-R-Us sells cashews for $6.60 per pound and Brazil nuts for $4.20 per pound. How much of each type should be used to make a 47 pound mixture that sells for $5.48 per pound?

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Question 1099982: Nutz-R-Us sells cashews for $6.60 per pound and Brazil nuts for $4.20 per pound. How much of each type should be used to make a 47 pound mixture that sells for $5.48 per pound?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
c Cashews
b Brazil

system%28%286.6c%2B4.2b%29%2F47=5.48%2Cc%2Bb=47%29
-
6.6c%2B4.2b=257.56
highlight_green%286.6%2847-b%29%2B4.2b=257.56%29, from substitution
continue solving for b and use it to solve for c.