A female ran a 24 mile course her first 6 miles she ran in 1 hr the second set of 6 miles in 12 hrs the third set of 6 miles in 1.5 hrs the fourth set of 6 miles in 1.6 how long did it take her to complete the course

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