SOLUTION: Macadamia nuts cost $16.50 per pound, but research by an independent firm says that mixed nuts sell better if macadamias are included. The standard mix costs $9.25 per pound. Fin
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Question 915407: Macadamia nuts cost $16.50 per pound, but research by an independent firm says that mixed nuts sell better if macadamias are included. The standard mix costs $9.25 per pound. Find how many pounds of macadamias and how many pounds of the standard mix should be combined to produce 40 pounds that will costs $10 per pound. Find the amounts to the nearest tenth of a pound.
This is soo confusing.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
There is just lots of words -some of them not needed
Let = pounds of macadamias needed
Let = pounds of standard mix needed
------------------
(1)
(2)
----------------------------------
(2)
(2)
(2)
-------------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
--------------------------
and, since
(1)
(1)
-------------------
4.1 pounds of macadamias are needed
35.9 pounds of standard mix are needed
-------------------
check answer:
(2)
(2)
(2)
(2)
Error due to rounding off -I think
Hope this helps
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