Question
Gem had some sugar in a container. She used 312 kg of the sugar in the morning. She added 3 kg of sugar into the same container in the afternoon. There was 316 kg of sugar in the container in the end. How much sugar did Gem have at first? Express your answer in its simplest form.
4 m

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Gem had some sugar in a container. She used 312 kg of the sugar in the morning. She added 3 kg of sugar into the same container in the afternoon. There was 316 kg of sugar in the container in the end. How much sugar did Gem have at first? Express your answer in its simplest form.