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An alloy weighing 30 lbs. is 11% tin. The alloy was made by mixing a 15% tin alloy and a 9% tin alloy. How many pounds of each alloy were used to make the 11% alloy?
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3.3 let x = lbs of 15% alloy 30 - x = lbs of 9% alloy so 0.15x + 0.09(30 - x) = 0.11(30)=3.3
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User: An alloy weighing 30 lbs. is 11% tin. The alloy was made by mixing a 15% tin alloy and a 9% tin alloy. How many pounds of each alloy were used to make the 11% alloy?

Note: 3 lb
Auto answered|Score .8873|caligun|Points 1291|

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Weegy: 3.3 let x = lbs of 15% alloy 30 - x = lbs of 9% alloy so 0.15x + 0.09(30 - x) = 0.11(30)=3.3
Expert answered|PrettyGirl10|Points 17|

Education|No Subcategories|Expert answered|Rating 0| 2/27/2012 7:16:31 PM
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