If John scored 100 on his first 3 tests and an 80 on his 4th, what was his average score across the 4 tests?
How many points did John score? ** 100+100+100+80=<<100+100+100+80=380>>380 total score across 4 tests
What was John's average score? ** 380 total score / 4 tests = <<380/4=95>>95 average score
#### 95