Question
Billy celebrates his birthday today. 12 years ago, he was twice as old as his daughter while his wife was 21 years older than her. If his wife is 55 years old this year, how old was Billy last year?
4 m

Click button first when a symbol is required. X

Billy celebrates his birthday today. 12 years ago, he was twice as old as his daughter while his wife was 21 years older than her. If his wife is 55 years old this year, how old was Billy last year?