he plumber charges a service fee of $45 when he comes to your house. He also charges $25 per hour while he does the repairs. The total bill was $400. Which equation represents this situation?

Respuesta :

Answer:25x+45=400

Step-by-step explanation:

25 is the amount he charges per hour, x is the amount of hours, 45 is the service fee, and 400 is the total