Question
Shiyun used 37 of the flour and an additional 53 g to bake some wafers. She used 13 of the remaining flour and an additional 37 g to bake some macarons. Given that Shiyun was left with 157 g of flour, how much flour did she have at first? Leave your answer in g.
4 m

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Shiyun used 37 of the flour and an additional 53 g to bake some wafers. She used 13 of the remaining flour and an additional 37 g to bake some macarons. Given that Shiyun was left with 157 g of flour, how much flour did she have at first? Leave your answer in g.