SOLUTION: A pound of tin is worth $1 more than a pound of copper. Four pounds of tin are mixed with 6 pounds of copper to make bronze that sells for $4.15 per pound. How much is a pound of t
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Question 910099: A pound of tin is worth $1 more than a pound of copper. Four pounds of tin are mixed with 6 pounds of copper to make bronze that sells for $4.15 per pound. How much is a pound of tin worth?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
c, price of copper.
Price of tin?___________c+1, price for tin.
The prices are as dollars per pound.
The description is a mixture of tin and copper, but think of the mixture as being MONEY.
Account for the money!
Better, ACCOUNT for the PRICE of the mixture.
Notice this is a rational expression on the left, the ratio of the dollars of the mixture to the mass of the mixture. This ratio is the price as DOLLARS per POUND.
Solve for c, which is, as I have assigned, the price for the copper. Use it to get the price of the tin.
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