Answer:
D
Step-by-step explanation:
the answer is Swimmer D
16=x
So, The angle is 180 degrees
180-87=93
93=(6x-3)
Add 3 to both sides
96=6x
Divide 6 on both sides
72 signs
90 min = 1.5 hour
6 hours hangs 6/1.5 * 18 signs = 72
Answer: 18 mega rolls