Question
Ivory, Rachel and Mary have 540 buttons. Ivory has 45 as many buttons as Rachel. Mary's buttons is 14 of the total number of Ivory's and Rachel's buttons. How many buttons must Rachel give to Mary so that both Ivory and Mary will have the same number of buttons?
4 m

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Ivory, Rachel and Mary have 540 buttons. Ivory has 45 as many buttons as Rachel. Mary's buttons is 14 of the total number of Ivory's and Rachel's buttons. How many buttons must Rachel give to Mary so that both Ivory and Mary will have the same number of buttons?