Plz help it will mean a lot

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 dimensions can créate more than one triangle ?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?