B) 36
To figure this out you need to average the numbers. To average them you add them all up and divide by how many are there.
(60+30+20)/3
(90+20)/3
110/3
36
y=$47.50(5)+$55
y=$237.50+$55
y=$292.55
y=total
m(47.50+ amount increased by after the starting $55
b=$55; the start.
Answer:
The first one is c the second is b
