Rose wants to buy a toy that costs $14. If she gives the cashier $20, which equation will tell you how much change Rose gets back? A) x - 14 = 20
B) x + 14 = 20
C) x + 14 = -20
D) x - 14 = -20

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