Mary won £5000 in a competition She used the money to pay for herself and 8 friends to go on a holiday

Flights cost £279 for each of them

Accommodation cost £184 for each of them

How much of the £5000 did she have left after paying for flights and accommodation for herself and the 8 friends?

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