Question

A repair service charges $45 for a house call and an additional $50 per hour of work. The formula T=45+50Hrepresents the total charge T for H hours of work. If the total bill for a customer was $270, how many hours of actual labor were there?There were____ hours of actual labor.

Answer 1

Given:

A repair service charges ​$45 for a house call and an additional ​$50 per hour of work.

the formula

`T=45+50H`

represents the total charge T for H hours of work.

Required:

To find the hours if the total bill for a customer was ​$​270.

Step-by-step explanation:

Here T=270$.

Now

`\begin{gathered} T=45+50H \\ 270=45+50H \\ 50H=270-45 \\ 50H=225 \\ H=(225)/(50) \\ H=4.5\text{ hours} \end{gathered}`

Final Answer:

There were 4.5 hours of actual labor.