An electrician charges $40 to come to your house. She also charges $55 for each hour that hour that she works. The electrician charges brought a total of $190. How many hours does the electrician work at your house?

Respuesta :

Let's represent the number of hours with the variable 'h':

40 + 55h = 190

55h = 150

h = 2.72...

We can round up to 2.73:

The electrian works for about 2.73 hours.