An electrician charges thirty dollars per hour plus a twenty dollar trip fee. Write an algebraic expression for the total cost (in dollars) if she works "x" hours.

30x + 20

Step-by-step explanation:

While x being the number of hours worked by an electrician and $20 being a trip fee so when you;

Multiply the number of hours worked (x) With Hourly Rate charged by electrician which is a $30 Add it with the trip fee which will be $20

You will get the total cost incur by electrician.