A survey was made to find the type of music that a certain group of young people liked in a city.
The adjoining pie chart shows the findings of this survey.
From this pie chart, answer the following:
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/11152/content_11.png)
If 20 people liked classical music, how many young people were surveyed?