You know the answer is correct when the answer has a good star review such as 5 stars or has a good amount of likes. Everyone has a title by their name, the higher status it is, the more likely their answer would be right.
Answer:
750
Explanation:
<em>I'm gonna make my best effort here... (it's been a long hecking time since SAT math last year :P)</em>
Set both equation equal:
5x = -15x + 3000
20x = 3000
x = 150
Plug into any equation because both are equal anyway:
y = 5x
y = 5(150)
y = 750
(a, b) --> (x, y)
The point is (150, 750) and b = 750
An urban environment would be a city, so the answer is a bank clerk. Farmer is agriculture and Factory and Railroad workers are industrial