SOLUTION: Oats 'n' Barely bulk food store sells cashews at $18/kg and peanuts at $6/kg. If the store wants to make a mixture of 50kg of cashews and peanuts to sell for $9/kg, how many kilogr

Algebra ->  Equations -> SOLUTION: Oats 'n' Barely bulk food store sells cashews at $18/kg and peanuts at $6/kg. If the store wants to make a mixture of 50kg of cashews and peanuts to sell for $9/kg, how many kilogr      Log On


   



Question 108028: Oats 'n' Barely bulk food store sells cashews at $18/kg and peanuts at $6/kg. If the store wants to make a mixture of 50kg of cashews and peanuts to sell for $9/kg, how many kilograms of cashews and how many kilograms of peanuts must be in the mixture?
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
18X+6(50-X)=9*50
18X+300-6X=450
12X=450-300
12X=150
X=150/12
X=12.5 KG OF CASHEWS.
50-12.5=37.5 KG OF PEANUTS.
PROOF
18*12.5+6*37.5=9*45
225+225=450
450=450