Question
Cathy used 511 of the flour to bake a cake. She used 19 of the remaining flour to bake some wafers. Given that Cathy was left with 160 g of flour, how much flour did she have at first? Leave your answer in g.
4 m

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Cathy used 511 of the flour to bake a cake. She used 19 of the remaining flour to bake some wafers. Given that Cathy was left with 160 g of flour, how much flour did she have at first? Leave your answer in g.