SOLUTION: at the nut shop 5 pounds of peanuts and 6 pounds of cashews cost $11.20. 3 pounds of peanuts and 7 pounds of cashews costs $10.80. What does the store charge for a pound of each?

Question 1098769: at the nut shop 5 pounds of peanuts and 6 pounds of cashews cost $11.20. 3 pounds of peanuts and 7 pounds of cashews costs $10.80. What does the store charge for a pound of each?
Found 2 solutions by josmiceli, josgarithmetic:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = cost of 1 pound of peanuts in dollars
Let = cost of 1 pound of cashews in dollars
----------------------------------------
(1)
(2)
--------------------------
(1)
(2)
--------------------------
(1)
(2)
--------------------------
Multiply both sides of (1) by
Multiply both sides of (2) by
Subtract (1) from (2)
---------------------
You can finish this

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
p peanuts price
c cashews price

----multiply first equation by 3, second equation by 5.

--------dollars per pound, cashews

---------dollars per pound, peanuts
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