What is the ? in the question?

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?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Which representation has a constant of variation of -2.5