Answer:
The integer that represents the change in value of his stock during that time is:
-12
Explanation:
It is given that:
Gary's stock dropped 3 points in every value for 4 days.
This means that the points that is attained every day is: -3
and this is done for 4 days.
Hence, the integer that represents the change in value of his stock during that time is:
Points dropped per day×Number of days
= -3×4
= -12