Question
Xylia, Esther and Dana have 220 marbles. Xylia has 56 as many marbles as Esther. Dana's marbles is 14 of the total number of Xylia's and Esther's marbles. How many marbles must Esther give to Dana so that both Xylia and Dana will have the same number of marbles?
4 m

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Xylia, Esther and Dana have 220 marbles. Xylia has 56 as many marbles as Esther. Dana's marbles is 14 of the total number of Xylia's and Esther's marbles. How many marbles must Esther give to Dana so that both Xylia and Dana will have the same number of marbles?