Question
Barbara used 57 kg of flour to bake some macarons and wafers. She used 13 of the flour to bake macarons. How much flour did she use to bake the macarons?
2 m

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Barbara used 57 kg of flour to bake some macarons and wafers. She used 13 of the flour to bake macarons. How much flour did she use to bake the macarons?