SOLUTION: How much coffee costing 85 cents a pound must be added to 150 pounds costing 90 cents a pound to make a mixture costing 87 cents a pound?
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Question 335455: How much coffee costing 85 cents a pound must be added to 150 pounds costing 90 cents a pound to make a mixture costing 87 cents a pound? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How much coffee costing 85 cents a pound must be added to 150 pounds costing 90 cents a pound to make a mixture costing 87 cents a pound?
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value + value = value
85x + 90*150 = 87(x+150)
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85x + 90*150 = 87x + 87*150
2x = 3*150
x = 3*75
x = 235 lbs. (amt of 85 cent coffee needed in the mixture)
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Cheers,
Stan H.
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