Hi please do this.. it would mean so much and I'm giving away 21 points

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?

How do you find the circumfrance of a circle?

Could someone with number 1 and 2