Hope this helps the picture explains how to do it hope its useful:)
Let T be total of money earned and W= number of windows washed
T=4W
E porque ya lo use y es facil
Answer: y = negative 10 over 13x + 13
Step-by-step explanation: might not be right but im 70% sure it can be but make sure to check
A = 80/2 = 40
b = 100/2 = 50
d = 180 - (a+b)
d = 180 - (40+50)
d = 180 - 90
d = 90