Please show the steps. And don't put in any links.
(There are attachments in this)

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Pls! does anybody know a shortcut for answering these types of questions in the future?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?