1. Manny and Ruth were sorting their comic books on the floor when Layla came in. "What a mess," she exclaimed. "I don't know why you buy that nonsense." "We don't have that many, Mum," Ruth told her. "If I gave Manny two of mine we'd both have the same, but if he gave me two of his I'd have twice as many as he'd have." How many did each have?

Ruth 14 books, Manny 10

Ruth 11 books, Manny 5

Ruth 21 books, Manny 13