Question
Hazel and Irene have 220 buttons altogether. Irene has four times as many buttons as Hazel. How many buttons must Irene give to Hazel so that they have the same number of buttons?
4 m

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Hazel and Irene have 220 buttons altogether. Irene has four times as many buttons as Hazel. How many buttons must Irene give to Hazel so that they have the same number of buttons?