Can you add the question please.
Answer:
Area = length x width
width = 1/2 length = 12/2 = 6 = width
area = 6x 12 = 72
Hope that answers your question
don't hesitate to comment if you are confused about something
Step-by-step explanation:
775-550 = 225 for an extra 15 guests
225/15= 15$ per person
Hope it will help u........
