1. "You've got that old coat on again," said Joan, when Andy came in. "It's time you got a new one, and also a new hat." Andy laughed. "I like them," he told her. "The hat is just three times as old as the coat was when the hat was as old as the coat is now." "You and your riddles!" Joan shook her head. "Anyway, I do know their ages total twenty years." How old was the coat?

Coat 8 years old

Coat 6 years old

Coat 9 years old