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An alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to the first to get a 12% mixture
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An alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to the first to get a 12% mixture
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Nov 2, 2017
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an alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to the first to get a 12% mixture
Mathematics
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Rodolfo Velasco
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12%=(3+10%*x)/(20+x)
x=30
add 30 pounds of the second alloy
Waltflanagan
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Nov 6, 2017
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Waltflanagan
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