Answer:
<em>57 oatmeal cookies </em>
Step-by-step explanation:
x - peanut butter cookies
y - oatmeal cookies
y = x - 18 ⇒ x = y + 18
( y + 18 ) + y = 132
2y = 132 - 18
y = <em>57 oatmeal cookies</em>
Answer: B and E
I just took the assignment. :)
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