Question
Fiona had some wafers. She sold 56 of the wafers. She ate 15 of the remainder and an additional 4 more. She had 36 wafers left in the end. How many wafers did Fiona have at first?
4 m

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Fiona had some wafers. She sold 56 of the wafers. She ate 15 of the remainder and an additional 4 more. She had 36 wafers left in the end. How many wafers did Fiona have at first?