Question
Barbara had some sweets. She sold 70% of her sweets and gave half of the remainder to her brother. After that, she bought 42 sweets and had a total of 72 sweets in the end. How many sweets did Barbara have at first?
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Barbara had some sweets. She sold 70% of her sweets and gave half of the remainder to her brother. After that, she bought 42 sweets and had a total of 72 sweets in the end. How many sweets did Barbara have at first?