Answer :
x≤-16
You can substitute x for any variable of your choice. It refers to the temperature. It means that the greatest it can be is -16, so it has to be less than or equal to since if it were only <, it would not include -16. Hope this helped.
You can substitute x for any variable of your choice. It refers to the temperature. It means that the greatest it can be is -16, so it has to be less than or equal to since if it were only <, it would not include -16. Hope this helped.
