Carpenter A charges $50 an hour. Carpenter B charges $20 to visit your home plus $45 for each hour. For how many hours will the total cost for each carpenter be the same? How much will that cost be? If a customer thinks they need a carpenter for 3 hours, which carpenter should be hired?

Respuesta :

Answer:

4 hours to pay the same amount

and aif you want a 3 hours work you should get carpenter A

Step-by-step explanation:

[tex]50x = 20 + 45x \\ 5x = 20 \\ x = 4hours \\ [/tex]

carpenter A for 3 hours:

[tex]50 \times 3 = 150dollars \\ [/tex]

carpenter B for 3 hours:

[tex]20 + 45 \times 3 = 155dollars[/tex]

ACCESS MORE
EDU ACCESS
Universidad de Mexico