Answer:
A. Shawn's Poster
Explanation:
It uses perimeter, and the formula is L*W.
Christie hiked 1/4 and Jackie hiked 3/5 MORE. More means Subtraction so it would be
Same thing for the other two. They represent subtraction because of their keywords. Here is a list below of what you need to look for, for each control (+,-,x,÷)
Hope this helps
~R3VO