Question
PSLE
Betty had 7i pears. She bought another 5 pears and gave 2i pears to her students. Betty's daughters then ate half of the remaining pears. How many pears had she left? Give your answer in terms of i in the simplest form.
2 m

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PSLE
Betty had 7i pears. She bought another 5 pears and gave 2i pears to her students. Betty's daughters then ate half of the remaining pears. How many pears had she left? Give your answer in terms of i in the simplest form.