Please help me guys I need ur help

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?

Need solving this 2nd limit problem.

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.