Gordon has some mangoes. He throws 15 rotten mangoes away.
He buys another 37 mangoes.
He now has 96 mangoes.
How many mangoes does Gordon have at first?

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?