Question
Opal had some mini cupcakes. She sold 20% of her mini cupcakes and gave half of the remainder to her brother. After that, she bought 38 mini cupcakes and had a total of 42 mini cupcakes in the end. How many mini cupcakes did Opal have at first?
4 m

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Opal had some mini cupcakes. She sold 20% of her mini cupcakes and gave half of the remainder to her brother. After that, she bought 38 mini cupcakes and had a total of 42 mini cupcakes in the end. How many mini cupcakes did Opal have at first?