SOLUTION: a store mixes Kentucky bluegrass worth $11 per pound and ryegrass worth $15 per pound. the mixture is to sell for $12 per pound. Find how much of each should be used to make a 540-

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Question 732137: a store mixes Kentucky bluegrass worth $11 per pound and ryegrass worth $15 per pound. the mixture is to sell for $12 per pound. Find how much of each should be used to make a 540-pound mixture.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
b+r=540,
11b+15r=540*12
b = 405, r = 135