Which is a y-intercept of the continuous function in the table

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?

Can someone pls ! pls answer all. no explanation needed..

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