SOLUTION: birdseed cost $0.69 a pound and sunflower costs $0.99 a pound, they want to make a 50 pound mixture of them that sells for $0.91 per pound. how many pounds of birdseed And sunflowe

Question 1078685: birdseed cost $0.69 a pound and sunflower costs $0.99 a pound, they want to make a 50 pound mixture of them that sells for $0.91 per pound. how many pounds of birdseed And sunflower seed should they use

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = pounds of birdseed needed
Let = pounds of sunflower seed needed
--------------------------
(1)
(2)
--------------------------------
(2)
(2)
-----------------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
-----------------------------

and
(1)
(1)
13.33 pounds of birdseed are needed
36.67 pounds of sunflower seed are needed
-----------------------------------------
check:
(2)
(2)
(2)
(2)
(2)
OK

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