Question
Lucy had thrice as many erasers as buttons at first. She removed 5 erasers and 3 buttons each time. In the end, there were 15 erasers and 1 button left. How many erasers and buttons did Lucy have at first?
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Lucy had thrice as many erasers as buttons at first. She removed 5 erasers and 3 buttons each time. In the end, there were 15 erasers and 1 button left. How many erasers and buttons did Lucy have at first?