Answer
She needs 14 cups of fertilizer
Explanation
First, we need to calculate the area of the garden. The area of a rectangle is calculated as follows:

In this case, the measures are 9 1/3 yards and 12 yards. Substituting these values into the formula, the garden's area is:

1 square yard of garden needs 1/8 cup of fertilizer. To find how many cups of fertilizer (x) needs 112 square yards, we can use the next proportion:

Solving for x:
