Using proportions, it is found that 330 of the people surveyed liked sauerkraut on a hot dog.
A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.
In this problem, 11% out of 3000 people like sauerkraut, hence the number is given by:
0.11 x 3000 = 330.
330 of the people surveyed liked sauerkraut on a hot dog.
More can be learned about proportions at https://brainly.com/question/24372153
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