Kathy walked miles 3 1/2 per hour for 1 1/4 hours. during 1/2 of her walking time it rained. how many miles did she walk while it was raining?

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?