Question
PSLE
Betty had 4r persimmons. She bought another 5 persimmons and received 4r persimmons from her cousins. Betty's sisters then ate half of the remaining persimmons. How many persimmons had she left? Give your answer in terms of r in the simplest form.
2 m

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PSLE
Betty had 4r persimmons. She bought another 5 persimmons and received 4r persimmons from her cousins. Betty's sisters then ate half of the remaining persimmons. How many persimmons had she left? Give your answer in terms of r in the simplest form.