Answer:
480 people
Step-by-step explanation:
Set up an equation where x is the number of people surveyed:
180 = (x)(0.375)
Solve for x:
480 = x
So, Annette surveyed 480 people
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x = 8√13 ≈ 28.8444
It looks like you want to evaluate ...
Your calculator can tell you the value of this. It is approximately 28.8444.