Carmine paid an electrician x dollars per hour for a 5-hour job plus $70 for parts. The total charge was $320. Write an equation to determine how much the electrician charged per hour. Then, use your equation and solve algebraically for x. Explain your solution?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?