the average GPA of the graduating class at a nerby highschool is 3.2. if 1/10 of the graduating students have an average of GPA of 3.9, what is the average GPA of the remainder of the class

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?