The first thing we must do for this case is to define variables:
p = total number of paperclips
x = paper clips added by carmen.
The equation that models this situation is:
p = x + 37
Answer:
An equation that models the total number of paperclips in the box is:
p = x + 37
The correct answer is A and B because if you replace the m's with 4 than you do get the answer at the end of the equation. Hope this helps.