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The total charge for a 4-week dance class is $55.00. The class has 3 sessions per week, and each session lasts 45 minutes. Approximately what is the charge per hour for the class?
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· 相关考点
2.1.2 分数运算应用题 考察角度三：per关系应用题
以上解析由 考满分老师提供。
