On a trip, you had to change your money from dollars to british pounds. you got 560 pounds for 800 dollars. how many pounds will you get for 300 dollars?

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?