14. The average running time of the top 4 finishers in a road race was 18.80 min. The times of the second-, third-, and fourth-place finishers were 18.45 min, 19.27 min, and 19.80 min. What was the time of the first place finisher?

Andy wants to find the distance d across a river. he located points as shown in the figure, then use similar triangles to find that d = 223.5 feet. how can you tell without calculating that he must be wrong? tell what you think he did wrong and correct his error. round your answer to the nearest tenth if necessary. andy must have used the wrong . the distance d is actually feet.