Question
PSLE
Betty bought 12f packets of mochi balls. Each packet contained 13 mochi balls. After eating 2 packets of mochi balls, how many mochi balls had she left? Give the answer in terms of f in the simplest form.
2 m

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PSLE
Betty bought 12f packets of mochi balls. Each packet contained 13 mochi balls. After eating 2 packets of mochi balls, how many mochi balls had she left? Give the answer in terms of f in the simplest form.