The student who solved the equation made an error(s). Explain the error(s). State the correct solution. (90−x)+2x+x=180
90−4x=180
4x=270
x=67.5

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?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

What percent of 18 is 24? and plz explain thx.