During the labor day weekend, amy and kathleen each ran in a race. amy ran in a 5k and completed it in 31 minutes and 15 seconds. kathleen ran in a half-marathon, which is 21.1 kilometers, and completed it in 2 hours, 11 minutes, and 52.5 seconds.
let d represent distance in kilometers, r represent the rate, and t represent time in minutes. the proportional relationship

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude