if the central angle for the section of the pie chart measures 108% equals 45 people how many people were there

Question

I dont know how to do this problem for school and our teacher didnt explain it

Answer 1

108° is 3/10 of 360°

45 is 3/10 of all the people  (I am assuming that is what is sought.)

45 = 3x/10

450 = 3x

150 = x