New Library Books Ordered Classics 15% History 20% Reference 30% Other 25% Biographies 10% 9) . If 68 new history books were ordered, how many total books were ordered? Based on the total books ordered, how many of the books are biographies?

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books