Question
Shannon had some mochi balls. She sold 10% of her mochi balls and gave half of the remainder to her cousin. After that, she bought 11 mochi balls and had a total of 119 mochi balls in the end. How many mochi balls did Shannon have at first?
4 m

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Shannon had some mochi balls. She sold 10% of her mochi balls and gave half of the remainder to her cousin. After that, she bought 11 mochi balls and had a total of 119 mochi balls in the end. How many mochi balls did Shannon have at first?