Question
Ken and Zeph shared 480 buttons. Ken got 7 times as many buttons as Zeph. How many buttons must Ken give Zeph so that both of them would have an equal number of buttons?
4 m

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Ken and Zeph shared 480 buttons. Ken got 7 times as many buttons as Zeph. How many buttons must Ken give Zeph so that both of them would have an equal number of buttons?