Question
PSLE
Lucy bought 5w packets of chocolate bars. Each packet contained 18 chocolate bars. After eating 7 packets of chocolate bars, how many chocolate bars had she left? Give the answer in terms of w in the simplest form.
2 m

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PSLE
Lucy bought 5w packets of chocolate bars. Each packet contained 18 chocolate bars. After eating 7 packets of chocolate bars, how many chocolate bars had she left? Give the answer in terms of w in the simplest form.