Question
Cindy, Linda and Sabrina have 192 pens. Cindy has 35 as many pens as Linda. Sabrina's pens is 15 of the total number of Cindy's and Linda's pens. How many pens must Linda give to Sabrina so that both Cindy and Sabrina will have the same number of pens?
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Cindy, Linda and Sabrina have 192 pens. Cindy has 35 as many pens as Linda. Sabrina's pens is 15 of the total number of Cindy's and Linda's pens. How many pens must Linda give to Sabrina so that both Cindy and Sabrina will have the same number of pens?