The school made $2,800 on the school carnival. the second and fifth grade classes each made only $200. the kindergarten and fourth grade classes each made double the second grade's amount. the first and third grades made the same amount of money. how much did each grade level make?

225/100 of last years cost. write each fraction as a decimal and as a percent

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

What is the sum of the first 8 terms of the geometric series