Question
Yen had a total of 285 mangosteens and mangoes. She sold half of the mangoes and 30 mangosteens. In the end, she had an equal number of mangosteens and mangoes left. Find the number of mangosteens she had at first.
4 m

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Yen had a total of 285 mangosteens and mangoes. She sold half of the mangoes and 30 mangosteens. In the end, she had an equal number of mangosteens and mangoes left. Find the number of mangosteens she had at first.