Show all work including checking! read the following word problem and then set the problem up as an equation so that you can solve it. you will need to write you answer as a complete sentence. the ratio of two numbers is 5 to 7. their sum is 168. find the two numbers.

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