SOLUTION: How many pounds of nuts selling for $12 per lb and raisins selling for $6 per lb should a person combine to obtain 90 lb of a trail mix selling for $8 per lb?

Question 1005983: How many pounds of nuts selling for $12 per lb and raisins selling for $6 per lb should a person combine to obtain 90 lb of a trail mix selling for $8 per lb?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of nuts needed
Let = pounds of raisins needed
-------------------------------
(1)
(2)
--------------------------
(2)
(2)
--------------------
Subtract (1) from (2)
(2)
(1)
-------------------

and
(1)
(1)
-----------------
30 pounds of nuts are needed
60 pounds of raisins are needed
---------------------------
check:
(2)
(2)
(2)
(2)
(2)
OK
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