Answer: 500 people
Explanation:
Given: The number of people said football is their favorite sport=210
The percent of people represent football = 42%=0.42
Let x be the total number of people surveyed .
Then according to the question,
![42\%\ of\ x=210\\\Rightarrow\ 0.42x=210\\\Rightarrow\ x=(210)/(0.42)\\\Rightarrow\ x=500](https://img.qammunity.org/2020/formulas/mathematics/middle-school/slmm4clcn7v23e7b5f3acv5w3z2xvy8bp9.png)
hence, the total number of people survey is 500.