I must show my work when solving this so please show mee pleasee WILL MARK BRAINLEST!!!
please and thank u

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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Add the two expressions 4.6 x -3 + -5.3 x + 9