Respuesta :

Answer:

y = 45x + 20

Step-by-step explanation:

The general equation you are looking for is y = ax + b. b is the y intercept and a is the slope.

No matter what happens, he charges $20. So far your equation is

y = 20

Now what happens is that for every hour he works, he charges 45 dollars. Call the number of hours = x

y = 45x + 20    Answer