Question
Barbara had some lollipops. She sold 70% of her lollipops and gave half of the remainder to her cousin. After that, she bought 21 lollipops and had a total of 57 lollipops in the end. How many lollipops did Barbara have at first?
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Barbara had some lollipops. She sold 70% of her lollipops and gave half of the remainder to her cousin. After that, she bought 21 lollipops and had a total of 57 lollipops in the end. How many lollipops did Barbara have at first?