I think I know how to do this, but I’m not sure.

Answer:
The top one it $65, the bottom left is "the cost of 6 books" and the bottom right is "the cost of one book"
Step-by-step explanation:
Answer:
Step-by-step explanation:
so its basically like dividing but in a chart you put the $55 at the top you put the cost of 1 book at the small area to the right and and the cost of 6 books at the wider area at the left