SOLUTION: Bronze which costs $9.10/kg is made by combining copper which costs $8.90/kg with tin which costs $9.50/kg. Find the number of kg of copper and tin required to make 15.3 kg of bron
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Question 344410: Bronze which costs $9.10/kg is made by combining copper which costs $8.90/kg with tin which costs $9.50/kg. Find the number of kg of copper and tin required to make 15.3 kg of bronze.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let A be the amount of copper and let B be the amount of tin.
Total weight equation:
1.
Total cost equation:
2.
From eq. 1,
Substitute into eq. 2,
kg
Then from eq. 1,
kg
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