SOLUTION: I need help with this problem: A pound of tin is worth $1 more than a pound of copper. Three pounds of tin are mixed with 7 pounds of copper to make bronze that sells for $3.05 per
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Question 404450: I need help with this problem: A pound of tin is worth $1 more than a pound of copper. Three pounds of tin are mixed with 7 pounds of copper to make bronze that sells for $3.05 per pound. How much is a pound of tin worth? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A pound of tin is worth $1 more than a pound of copper. Three pounds of tin are mixed with 7 pounds of copper to make bronze that sells for $3.05 per pound. How much is a pound of tin worth?
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Let copper be worth $x per pound
Then tin is worth $(x+1) per pound.
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Equation:
Value Equation: 3(x+1) + 7x = 3.05*10
3x+3 + 7x = 30.50
10x = 27.50
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x = $2.75 (price of a pound of copper)
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x+1 = $3.75 (price of a pound of tin)
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Cheers,
Stan H.
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