12.
The cost to hire an electrician is $50 plus $65 per hour. How many hours
did the electrician work if his bill was $505?

Respuesta :

Answer:

7 hours

Step-by-step explanation:

First subtract 50 from 505 (505 - 50) which equals 455. Next divide 455 by 65 (455/65) which is 7. Therefore the answer is 7.

7 hours

If his bill is $505, he worked for 7 hours.

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