Question
Mrs Peter made some wafers. She sold 13 of them in the morning, 310 of them in the afternoon and another 23 of them in the evening. There were 109 wafers left in the end. How many wafers did she make in all?
4 m

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Mrs Peter made some wafers. She sold 13 of them in the morning, 310 of them in the afternoon and another 23 of them in the evening. There were 109 wafers left in the end. How many wafers did she make in all?