甲杯中有浓度为23%的溶液200克，乙杯中有浓度为47%的同种溶液300克，现在分别从甲、乙杯中取出部分溶液，把甲杯中取出的溶液倒入乙杯中，把乙杯中取出的溶液倒入甲杯中，使甲、乙两杯溶液浓度相同，问现在两杯溶液浓度是多少？（ ）

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