You got a test grade back; It's 100%; There were three parts of the test; This will bring your grade up even more; You get 50% on other part; You still have 75%; You get 0 on other part of test; You didn't fail it, you still have 50%; It's worth 90% of your grade; This is 9th grade; But you're taking a 12th grade class; You look at your grade; It's a 55%