Question
Lucy used 310 of the flour and an additional 42 g to bake some biscuits. She used 13 of the remaining flour and an additional 25 g to bake some croissants. Given that Lucy was left with 115 g of flour, how much flour did she have at first? Leave your answer in g.
4 m

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Lucy used 310 of the flour and an additional 42 g to bake some biscuits. She used 13 of the remaining flour and an additional 25 g to bake some croissants. Given that Lucy was left with 115 g of flour, how much flour did she have at first? Leave your answer in g.