Mathematics, 22.07.2019 05:50 neelydeY23
An alloy of tin is 15% tin and weighs 20 pounds. a second alloy is 10% tin. how many pounds of the second alloy must be added to the first to get a 12% mixture? 30 lb 40 lb 60 lb
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An alloy of tin is 15% tin and weighs 20 pounds. a second alloy is 10% tin. how many pounds of the s...
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