the equation d=st is used to calculate distance, rate, or time, where d is the distance in yards, r is the rate in yards per minute and t is the time in minutes. consider the statements below that describe the walking rates for the three people. graph the equation that represents the rate of the fastest person. Jordan walks for 4 min and goes 200 yards. Jack walks a rate of 55 yards per minute. Lily walks 180 yards in 3 minutes.