Carmine paid an electronic x dollars per hour for a 5 hour job plus $70 parts. the total charge was $320. write and solve an equation that can be used to determine how much the electrician charged per hour? plz

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?