How can i find the volume of a rectangular prism

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 can you tell when x and y are not directly proportional?

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120