SOLUTION: how many ounces of nuts consisting 80 cents a pound must be mixed with nuts costing 60 cents a pound to make a 10 ounce mixture costing 70 cents a pound?
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Question 368936: how many ounces of nuts consisting 80 cents a pound must be mixed with nuts costing 60 cents a pound to make a 10 ounce mixture costing 70 cents a pound? Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Let A be the amount of 80 cents/lb nuts and B the amount of 60 cents/lb nuts.
1.
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2.
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Multiply eq. 1 by (-3) and add to eq. 2, lbs
Then from eq. 1, lbs
