In a race consisted of three parts for cycling part was 12 1/2 miles long the running part of the race was one for the distance of the cycle apart the kayaking of the race was one half the distance of running part what was what was the disc entire distance in miles of the race

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )