Question
PSLE
Shiyun bought 7z packets of lollipops. Each packet contained 20 lollipops. After eating 5 packets of lollipops, how many lollipops had she left? Give the answer in terms of z in the simplest form.
2 m

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PSLE
Shiyun bought 7z packets of lollipops. Each packet contained 20 lollipops. After eating 5 packets of lollipops, how many lollipops had she left? Give the answer in terms of z in the simplest form.