SOLUTION: Cashews sell for $5.00 a pound and peanuts sell for $2.00 a pound. How many pounds of each would you use to make 25 pounds of a mixure that sells for $92.oo?

Question 722190: Cashews sell for $5.00 a pound and peanuts sell for $2.00 a pound. How many pounds of each would you use to make 25 pounds of a mixure that sells for $92.oo?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of cashews needed
Let = pounds of peanuts needed
given:
(1)
(2)
-------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)

and, since
(1)
(1)
(1)
14 pounds of cashews are needed
11 pounds of peanuts are needed
check:
(2)
(2)
(2)
(2)
OK

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