math
posted by larry on .
Tommy, Shawn and Ricky had a total of 192 picture cards. In a game, Tommy lost some picture cars to Shawn and Shawn’s picture cards doubled. Shawn in turn lost some picture cards to Ricky and Ricky’s picture cards doubled. Then they each had the same number of picture cards in the end. How many picture cards did each of them have at first?

64