1."That's my wife, Elsie," said Steve. "She's ten years younger than me." Charlie put down the photo. "Attractive! And those will be your kids. How old are they?" Steve smiled. "It's funny about their ages," he replied. "Kim's added to the square of Betty's is Elsie's age, while Betty's added to the square of Kim's age is my age." How old were the children?

Kim 6 years old, Betty 5

Kim 4 years old, Betty 2

Kim 7 years old, Betty 4