Question

An electrician charges $35 per hour, h, plus a $20 fee for driving to your house. Which equation represents to total cost, T, for the electrician to do a job?

Answer 1

T= 20 + 35h

Explanation:

Giving the following information:

An electrician charges $35 per hour, h, plus a $20 fee for driving to your house.

The $20 fee is a fixed cost. It will remain constant.

The $35 fee acts as a variable cost. It varies with the number of hours required to do the job.

To calculate the total cost (T), we need to use the following formula:

T= 20 + 35h

h= number of hours.