Answer:
$405
Explanation:
This is a proportion problem. Let X be the amount of money earned in 36 hours
The proportion ratios are
X/135 = 36/12
X/135 = 3
Multiplying both sides of this equation by 135 isolates the X term
X/135 x 135 = 3 x 135
X = 405
So you will earn $405 in 36 hours