SOLUTION: A store sells cashews for $4.40/lb and peanuts for $1.20/lb. How many of each can be bought to get exactly 3 lb for $6? If possible please use system of equations to solve.

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Question 766496: A store sells cashews for $4.40/lb and peanuts for $1.20/lb. How many of each can be bought to get exactly 3 lb for $6? If possible please use system of equations to solve.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
c = pounds of cashews
p = pounds of peanuts

Account for cost: 4.40c%2B1.20p=6.00
Easier to handle as 44c%2B12p=60 and divide left and right by 4.
11c%2B3p=15

Account for pounds: c%2Bp=3

Solve the system:
highlight%2811c%2B3p=15%29
highlight%28c%2Bp=3%29