Question
PSLE
Kimberly had 10b guavas. She bought another 5 guavas and gave 2b guavas to her students. Kimberly's daughters then ate half of the remaining guavas. How many guavas had she left? Give your answer in terms of b in the simplest form.
2 m

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PSLE
Kimberly had 10b guavas. She bought another 5 guavas and gave 2b guavas to her students. Kimberly's daughters then ate half of the remaining guavas. How many guavas had she left? Give your answer in terms of b in the simplest form.