Frank is now 38 years old
ｅｘｐｌａｎａｔｉｏｎ:
Since the total will be 69, first you subtract the extra 7 years which leads you to 62. Then , you divide 62 by 2 which is 31. Finally you add 7 to 31 and you get 38.
ｍｙ ｗｏｒｋ:
69 – 7 = 62
62 ÷ 2 = 31
31 + 7 = 38
Hope this helps you