Respuesta :

Sep 5, 2016 - (3 1/2 ft.) / 5/8 in. both values must be in same increments; change feet to inches3 1/2 ft = 7/2 ft. (7/2) 12/1 = 42 in. Then: 42 / (5/8). 42 (8/5). 336/5. 67 1/5. you can stack 67 books.