Question

a repair service charges by the hour the amount of money they charge a Blu what equation does repair service use to charge customers

Answer 1

we have the following:

`\begin{gathered} 1=70 \\ 2=130 \\ 3=130 \end{gathered}`

Therefore we can say that it increases by 30, and the initial value is 40( 70 - 30), the equation is:

`c=30h+40`

the answer correct is the first option