1. "We're going to have a new maths teacher," said Brian. "Miss Cribbins told us today. She said she's going to retire." Hannah shook her head. "I'm sorry to hear it, as I know you like her." "That's right, she makes it fun," the boy declared. "She told us her age is seven times its last digit plus three times its first." Well?

Age 67 years

Age 59 years

Age 73 years