It would be <span>more useful to represent a proportional relationship with a graph rather than an equation when you need to compare two things visually. The graph gives you a clearer idea than am equation. I hope that this is the answer that you were looking for and it has actually come to your great help.</span>
Answer:
slope=3/2 y inter. = (0,5)
Step-by-step explanation:
4,320 books
$17,928+19.25b=$52,938+11b
where b represents books