Question

A fish was 7 feet below sea level and

descended 12 feet. The expression
-7 - 12 represents this situation.
Find –7 – 12 to determine the location of
the fish compared to sea level.

Answer 1

Hi... If we assume the sea level as the origin or zero, the sum of seven and twelve times or nineteen, and because it is under the sea, its sign becomes negative... - 19