Task: Question Answering
Input (English): Problem: 3 people took gmat practice tests in which the minimum and maximum possible scores are 200 and 800, respectively. they each took a test 3 times, and no one scored below 400 or over 700. if the individual ranges of the 3 people ' s scores in those 3 practice tests were 40, 70 and 100, what is the difference between the maximum and minimum possible ranges of all their scores put together.
Options: a. 70, b. 80, c. 100, d. 140, e. 200
Output (English): e