Question
Olivia had some mini cupcakes at first. After she gave away 3 mini cupcakes to her brother and ate another 8 mini cupcakes, she went to buy another 47 mini cupcakes. In the end, she had thrice as many mini cupcakes as before. How many mini cupcakes did iris have at first?
4 m

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Olivia had some mini cupcakes at first. After she gave away 3 mini cupcakes to her brother and ate another 8 mini cupcakes, she went to buy another 47 mini cupcakes. In the end, she had thrice as many mini cupcakes as before. How many mini cupcakes did iris have at first?