1. "When I was twice as old as you are now," said Jane, "you were a third as old as I am now." Linda thought a moment. "That's right," she agreed. "And seven years ago, you were four times as old as I was." How old is Jane?

Jane is 27 years old (Linda 12)

Jane is 30 years old (Linda 10)

Jane is 18 years old (Linda 7)