Troy had 1/3 as many books to sell as John. The two friends decided to share the work evenly. To do that, John had to give 3 books to Troy. What was the total number of books the two friends had to sell?
T= 1/3J J-3=1/3J+3 J=9 John had 9 books, Troy had 3 books and the total is 12 books