Question

At a concert there needs to be at least 1 member of staff working for every 150 members of the audience. If there are 20 members of staff, how many people are in the audience?

Answer 1

3,000 people attending the concert

Answer 2

To solve:
Set a proportion

Staff:Audience

1:150=20:x

x=150•20

x=3000

Answer: There are at most 3,000 people in the audience.