Question
Esther and Kathy have 610 pens altogether. Kathy has four times as many pens as Esther. How many pens must Kathy give to Esther so that they have the same number of pens?
4 m

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Esther and Kathy have 610 pens altogether. Kathy has four times as many pens as Esther. How many pens must Kathy give to Esther so that they have the same number of pens?