Question
Gabby had some mini cupcakes. She sold 70% of her mini cupcakes and gave half of the remainder to her cousin. After that, she bought 15 mini cupcakes and had a total of 36 mini cupcakes in the end. How many mini cupcakes did Gabby have at first?
4 m

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Gabby had some mini cupcakes. She sold 70% of her mini cupcakes and gave half of the remainder to her cousin. After that, she bought 15 mini cupcakes and had a total of 36 mini cupcakes in the end. How many mini cupcakes did Gabby have at first?