Answer:
Equation:

Monica recycled 6 pounds.
Explanation:
You know that Cindy recycled 54 pounds of paper and this is 9 times as many pounds as Monica.
Then, let be "m" the number of pounds of paper Monica recycled. Therefore, you can set up the following equation:

To solve the equation you need to solve for "m". Then, you need to divide both sides of the equation by 9:

Monica recycled 6 pounds of paper.