SOLUTION: Solve the following problem using a system of equations.
How many pounds of nuts selling for $9 per lb and raisins selling for $3 per lb should a person combine to obtain 90 lb
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Question 1008945: Solve the following problem using a system of equations.
How many pounds of nuts selling for $9 per lb and raisins selling for $3 per lb should a person combine to obtain 90 lb of a trail mix selling for $5 per lb?
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Call the amount of nuts, x.
Then the amount of raisins must be 90-x.
The set up looks like this:
9x + 3(90-x) = 5(90)
9x + 270 - 3x = 450
6x = 180
x = 30 lbs of nuts
90-x = 60 lbs of raisins
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