Approximately 20% of the students at Kent middle school walk to school daily. If there are 300 students in 6thgrade, 250 in 7th grade and 325 in 8th grade, approximately how many students in the middle school walk to school?

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