Question

for a repair job an electrician charges an hourly rate of d dollars plus a flat fee of 50 the electricion charged a total if 114 for a 4-hour repair job. Part B. What is the value of D

Answer 1

B. 4d + 50 = 114

Explanation:

Given parameters:

Hourly rate = $d/hr

Flat fee = $50

Charge for the 4hrs = $114

Number of hours = 4hrs

To find d;

Total cost = $114;

$114 = Flat fee + (rate per hour x number of hours)

$114 = $50 + 4d

The value of d can be calculate using;

4d + 50 = 114

The value of d is 4d + 50 = 114