Question
Usha 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 4310 kg of sugar in the container in the end. How much sugar did Usha have at first? Express your answer in its simplest form.
4 m

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Usha 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 4310 kg of sugar in the container in the end. How much sugar did Usha have at first? Express your answer in its simplest form.