Question
PSLE
Gabby had 10z mangosteens. She bought another 5 mangosteens and received 4z mangosteens from her cousins. Gabby's sisters then ate half of the remaining mangosteens. How many mangosteens had she left? Give your answer in terms of z in the simplest form.
2 m

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PSLE
Gabby had 10z mangosteens. She bought another 5 mangosteens and received 4z mangosteens from her cousins. Gabby's sisters then ate half of the remaining mangosteens. How many mangosteens had she left? Give your answer in terms of z in the simplest form.