Answer:
[tex]300\ people[/tex]
Step-by-step explanation:
Let
x-----> the total number of people in a survey
we know that
[tex]27\%=27/100=0.27[/tex]
so
[tex]0.27x=81[/tex]
Solve for x
Divide by 0.27 both sides
[tex]x=81/0.27[/tex]
[tex]x=300\ people[/tex]
