Just had a brain spat. help?

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

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