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

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

Explanation:

The bill = $190

Less flat fee = 25

Work done = $165

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