When setting up a percent proportion (part to whole), what number do you use to represent the whole of the percent (hint: what does percent mean?)?

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?

Don't know how to find x given these segment lengths

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?