Question

What is the central idea of this passage?

Many people are interested in what teen-agers have to say.
Officials from clothing companies and others go to marketing conferences.
Companies want to learn about how teen-agers spend money.
Teen-agers spend billions of dollars a year.

Answer 1

Teenagers are a very important area to market things to.

Answer 2

This passage is mostly based on how teenagers think of clothes and how much money they spend. This is actually a bit a true fact. Teens will have more of an opinion based view on things more than kids or adults. What we see, we judge based on whether we like it or not.