at the start of the year, billy had 45 fish in his tank. By the end of March, 2/5 had passes away. By the end pf june another 7 fish had died. By august 20% of the remaining fish also dided. How many fish were left

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