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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.

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Answer:

30x + 20

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.

User Manuel Otto
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