Bulma E Goku Doujinshi

Two hourglasses.


How would you measure the 11 minutes are needed to bake a cake, with two hourglasses 8 and 5 minutes respectively?


Posted by: María Noelia Pacheco and Grau

Source: http://www.acertijos.info/cat/dificiles/

Image Source: http://www.ikkaro.com/files/reloj-de-

arena.jpg