Question
Roshel, Dana and Anna have 210 pens. Roshel has 34 as many pens as Dana. Anna's pens is 15 of the total number of Roshel's and Dana's pens. How many pens must Dana give to Anna so that both Roshel and Anna will have the same number of pens?
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Roshel, Dana and Anna have 210 pens. Roshel has 34 as many pens as Dana. Anna's pens is 15 of the total number of Roshel's and Dana's pens. How many pens must Dana give to Anna so that both Roshel and Anna will have the same number of pens?