Question
PSLE
Opal had 9r lemons. She ate 3 lemons and gave 3r lemons to her students. Opal's daughters then ate half of the remaining lemons. How many lemons had she left? Give your answer in terms of r in the simplest form.
2 m

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PSLE
Opal had 9r lemons. She ate 3 lemons and gave 3r lemons to her students. Opal's daughters then ate half of the remaining lemons. How many lemons had she left? Give your answer in terms of r in the simplest form.