One electrician charges a $50 service call fee plus $25 per hour for labor. another electrician charges a $35 service call fee plus $27.50 per hour for labor. how long would a job take if the total cost for each electrician is the same?

Let us first make expressions for each electrician.

Electrician 1:

Service call fee charged by first electrician =$50

Per hour labor charges =$25

let us say he worked for x hours.

Total cost = 50 +25x ...............(1)

Electrician 2:

Service call fee charged by second electrician =$35

Per hour labor charges =$27.50

let us say he worked for x hours.

Total cost = 35 +27.50 x.............. (2)

Since total cost is same for x hours, so equating equations (1) and (2)

dividing both sides by x

x = 6

Answer : A job would take 6 hours if the total cost for each electrician is the same.

the slope of the first function is -3. (3/1)

the slope of the second function is 1. (13-10/6-3).

since |-3| is greater than |1|, the function with the steepest slope is the first.

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step-by-step explanation:

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