A mistake at the foundry has caused a 48 litre alloy of bronze to contain only 9% of tin instead of the necessary 12%. How much tin needs to be added to the bronze to fix the mistake?
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mistake at the foundry has caused a 48 litre alloy of bronze to contain only 9% of tin instead of the necessary 12%. How much tin needs to be added to the bronze to fix the mistake?
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