Question
Nicole had thrice as many pens as erasers at first. She removed 4 pens and 2 erasers each time. In the end, there were 19 pens and 1 eraser left. How many pens and erasers did Nicole have at first?
4 m

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Nicole had thrice as many pens as erasers at first. She removed 4 pens and 2 erasers each time. In the end, there were 19 pens and 1 eraser left. How many pens and erasers did Nicole have at first?