(a)
12+0.72(8)
12+5.76
17.76 qts of antifreeze
(b)
100(12+8(.72))/(12+8)
100(12+5.76)/20
100(17.76)/20
5(17.76)
88.8%
<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
</span>
<span>Number of Sides = [Sum of Interior Angles / 180 degrees] +2
</span><span>Number of Sides = (5,400 / 180) +2
</span><span>Number of Sides = 32
Source:
http://www.1728.org/polygon.htm
</span>
I think the answer is 5700
Difference
1 2 3 4 5 ... n
difference is 1
4 cupcakes because if you do 12/ 1/.. you do kcf = to 12 x 1/3= 4
your welcome