8. A grocer buys x kg of potatoes at Birr 1.50 per kg and y kg of onions al i
Birr 2.25 per kg. how much money does he pay in Birr?​

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?