Art of Problem Solving: Basic Percent Problems

Art of Problem Solving's Richard Rusczyk tackles the three basic types of percent problems.

[supersaturday]

I think that a lot of people don't like education.

[JanexConfetti]

and no one noticed that he actually painted the studio with that 'awesome orange' colour...

[diorrat..]

If #=a random number, then how do you do
#% of # is what percent of #

[mohamedbahi]

thank you so much, please keep on hacking