Acoffee shop sold 1380 iced coffees in july. in all the coffee shop sold 6000 coffees that month. what percent of the coffees sold were iced

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?