SOLUTION: A pound of tin is worth $1 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $4.45 per pound. How much is a pound of ti

Question 809055: A pound of tin is worth $1 more than a pound of copper. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $4.45 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. Two pounds of tin are mixed with 8 pounds of copper to make bronze that sells for $4.45 per pound. How much is a pound of tin worth?
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2t+8c = 445 cents
t = c + 100 cents
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Substitute for "t" and solve for "c":
2(c+100) + 8c = 445
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2c + 200 + 8c = 445
10c = 245
c = 24.5 cents (price of lb of copper)
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Solve for "t":
t = c + 100
t = 24.5 + 100
t = 124.5 cents (price of lb of tin)
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Cheers,
Stan H.
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