1. “It’s funny I have the same birthday as you,” said Sally. “How old are you now Grandma?” Her grandmother smiled. “I thought you knew. Next birthday your age will be twice the square root of what mine will be, and a few years ago on our birthday I was just seven times as old as you were.” How old would Sally be on that next birthday?

Sally would be 19 years old

Sally would be 12 years old

Sally would be 16 years old