Answer
960 people
Work Step by Step
Mustard part = 30 %
the percent equation. part = percent * whole
Total number of people are 3200 so the whole is 3200
The percent is 30 % or, as a decimal, 0.30 . Find the part.
Part = percent * whole
= 0.30 * 3200
= 960 people
960 people in the survey who favored for Mustard topping.