SOLUTION: If peanuts cost $5 per pound and cashews cost $8 per pound, how many pounds of peanuts and cashews should be mixed to get 60 pounds of mixed nuts to be sold at $6 per pound? I need

Question 810029: If peanuts cost $5 per pound and cashews cost $8 per pound, how many pounds of peanuts and cashews should be mixed to get 60 pounds of mixed nuts to be sold at $6 per pound? I need help setting up a system of equation
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Do it like this one. Only the numbers are different.
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Amanda wants to make 8 gal. of a 20% saline solution by mixing together a 56% saline solution and a 8% saline solution. How much of each solution must she use?
================
e = amount of 8%
f = amount of 56%
---
e+ f = 8 (total solution)
8e + 56f = 20*8 (total saline)
---
e+ f = 8
e + 7f = 20
------------ Subtract
-6f = -12
f = 2
e = 6
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