This didn't satisfy the young woman at all, who said, "I don't know how old your husband is."
"I am younger than he. The difference between our ages is one-eleventh of their sum."
Mrs. P. thought this would confuse the hairdresser so much that she'd drop the subject, but the young woman did some quick calculations, smiled, and said, "I wouldn't worry about it, dear. You look very good for a woman of your age."
How old is Mrs Perkins?