It would help if you could specify what the area is in total, in order to find the perimeter with a variable.
C) p ≤ 78
I got 78 by subtracting 118 by 40. Since we know the maximum is 118 we can't get any higher than 78 so it has to be equal or less than.
Answer:

Step-by-step explanation:
<u><em>The question in English is:</em></u>
From the general term, calculate the first 4 terms.
(Consider that you must assign values to the variable n)
we have

step 1
Calculate the first term
For n=1

step 2
Calculate the second term
For n=2

step 3
Calculate the third term
For n=3

step 4
Calculate the fourth term
For n=4

therefore
the first 4 terms are

No, because if you add it up all together her recipe does not call for 20 cups.
(2,5) I think I’m sorry if I’m wrong:/