Question
Xuan had some rings. She gave 13 of the rings to her neighbour and gave 27 of the remainder to her cousin. She sold the rest at 5 for $5.20. She received a total of $104 from the sales of the rings. How many rings did she have at first?
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Xuan had some rings. She gave 13 of the rings to her neighbour and gave 27 of the remainder to her cousin. She sold the rest at 5 for $5.20. She received a total of $104 from the sales of the rings. How many rings did she have at first?