Toni ran 1 4/5 miles. cliff ran 5/6 of a mile. how much farther
did toni run than cliff

Which number produces a rationale number when multiplied by 1/5

Icould really use some with this question.

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?