Answer:
The equation to find
, the number of servings eaten during the month is:
B. 
Step-by-step explanation:
Given:
Number of servings of trail mix made by Shiloh = 89
Number of servings of trail mix left by the end of month = 55
To write an equation to find
which is the number of servings eaten during the moth.
Solution:
The total number of servings of trail mix made = 89
Number of servings eaten during the month = 
<em>Servings of trail mix left by the end of the moth can be given as:</em>
⇒ 
Number of servings actually left by the end of the month = 55
Thus, the equation to find
, the number of servings eaten during the month is:
(Answer)
On solving for
we get the number of servings eaten.