Question

an electrician charges $55 per hour of electrical work plus a flat fee of 25$ as a service charge . if a customer's bill 190 which of the following is closest to the number of hours the electrician spent working on the job? A.3.0 B.3.5 C.4.0 D. 5.5 E.10.0

Answer 1

Answer:

$\large \boxed{\text{A. 3.0 h}}$

Step-by-step explanation:

The bill          = $190

Less flat fee  =    25

Work done   = $165

$\text{Hours worked} = \ 165 \times \dfrac{\text{1 h}}{\ 55} = \textbf{3.0 h}\\\\\text{The electrician was on the job for \large \boxed{\textbf{3.0 h}} }$