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

Kim 5 years old, Betty 4.

Kim 8 years old, Betty 6.

Kim 6 years old, Betty 5.