How many cars should be in the low, medium, and high groups? (hint: divide the sample size by 3. if there is a remainder, add those to the group or groups that would make the distribution symmetric.)

Emmanuel added 888 links per minute to his chain mail. allesia started 202020 minutes after emmanuel and added 131313 links per minute to her chain mail. how long had emmanuel worked when allesia caught up to him, and how many links had he added?