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Copper : Tin = 3 1/2 : 2 3/4
Write in improper fraction:
Copper : Tin = 7/2 : 11/4
Multiply by 4 through:
Copper : Tin = 14 : 11
Answer: The ratio of copper to tin in the alloy is 14 : 11
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the ratio of copper to tin in the alloy is 14:11
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