Step-by-step explanation:
Below is an attachment containing the solution.
<h2>Solution (a) :-</h2>
Let the cost of the less expensive comic book be x .
Then :-

Using this equation , we can find the cost of the less expensive comic book .
Price of the less expensive book :-





Cost of the less expensive book is 107 .
Therefore , the epice of the less expensive book = $ 107 .
<h2>Solution (b) :-</h2>
Cost of the more expensive book = 11x
Which means :-






Therefore , the price of the more expensive book = $ 1177 .
Answer:
-1 1/4 boi boi lol ha ha lol
49 is not a prime number, 7*7 is 49 so if you have 7 selves you can fit 7 books on to each self
The slope would be equal to 1/3