9x+3x=180 by def. of supplementary
12x=180
12/12x=180/12
x=15
9x=9(15)=135°
Answer:
1130040
Step-by-step explanation:
so what your going to do is it sounds like 3 turns = 3 hours so 1 turn= 1 year so theres 8760 hours in a year so thats going to be 8760 turns now multiply thar by 129 and you get your awnser.
46 burgers is the minimum amount, because there are 23 people who will each eat two burgers.