Application of linear equation 1. Problem (Page-30, Book: Pricheet-Saber) It cost $2500 to set up the presses and machinery needed to print and bind a paperback book. After setup, its costs $2 per book printed and bound. Let x represent the number of books made and y the total cost of making this number of books. (a) Write the equation for y in terms of x (b) State the slope of the line, and interpret this number (c) State the y-intercept of the line, and interpret this number 7