Annette surveyed a total of 480 people.
Let x be the total number of people Annette surveyed. According to the problem, 37.5% of the people surveyed do not want a new mall, and this amounts to 180 people. We can set up the equation:
0.375 * x = 180
Now, let's solve for x:
x = 180 / 0.375
x = 480