Help me please i need help im not good at math show work

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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