Posted by Peltier on Tuesday, March 19, 2013 at 10:23am.
A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If onethird of these books are history books and onesixth are English books, what fraction of the books are science books?

Arithmetic  bobpursley, Tuesday, March 19, 2013 at 11:02am
what is 11/31/6?