Question

A box in a college book store contain book, and each in the box is a hi story book, an English book or a Science book. If 1 over 3 of those book are hi story books and 1 over 6 are English book, what fraction of the book are science

Answer 1

1.5/3 of the books are science

Answer 2

1.5/3 of the books are science 1/3(H) + .5/3 (E) = 1.5/3