This is due soon and i need the answer asap

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have 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

Write a similarity statement for the similar triangles. afgh ~ a