Question
Barbara had some bread flour in a container. She used 412 kg of the bread flour in the morning. She added 5 kg of bread flour into the same container in the afternoon. There was 516 kg of bread flour in the container in the end. How much bread flour did Barbara have at first? Express your answer in its simplest form.
4 m

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Barbara had some bread flour in a container. She used 412 kg of the bread flour in the morning. She added 5 kg of bread flour into the same container in the afternoon. There was 516 kg of bread flour in the container in the end. How much bread flour did Barbara have at first? Express your answer in its simplest form.