The difference of the expression
is 
<h3>How to determine the difference?</h3>
The expression is given as:

Factor the denominators of the expressions:

Apply the difference of two squares to x² - 9

Take LCM

Hence, the difference of the expression
is 
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Answer:
28 percent
Step-by-step explanation:
servings = 6
molds = 113
package = 8
servings make = 113÷6=18.83