100 students are interviewed to see which of biology, chemistry or physics they prefer. 87 of the students are girls. 51 of the girls like biology best. 5 of the boys prefer physics. 14 out of the 20 who prefer chemistry are girls. What percentage of the students prefer biology?

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