15. Solve for X in the model. х
1
a) x = 6
b) x = 8
c) X = -3
d) x = 10
16. Solve for n in the model.
JUST 15 pls

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