Honestly, I have no idea what it means by decomposition, but this is my best bet on what it means: Dividing the polygon into smaller, easier sections and solve for area and add them up.
Answer:
x= -(3/2) OR x= -1 1/2
Step-by-step explanation:
So he would have more landry soap left over
Answer is $35.31. If you need steps, you can comment on my answer. Good luck.