The number of rushing yards per year by a running back of a team has decreased approximately linearly from 1861 yards in 2004 to 23 yards in 2008. Let r be a​ player's number of rushing yards in the year that is t years since 2000. Find an equation of a linear model to describe the data.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?