Question
Tiffany had some mochi balls. She sold 40% of her mochi balls and gave half of the remainder to her sister. After that, she bought 46 mochi balls and had a total of 76 mochi balls in the end. How many mochi balls did Tiffany have at first?
4 m

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Tiffany had some mochi balls. She sold 40% of her mochi balls and gave half of the remainder to her sister. After that, she bought 46 mochi balls and had a total of 76 mochi balls in the end. How many mochi balls did Tiffany have at first?