One bus leaves astop every 12 minutes. a second bus leaves the same stop every 18 minutes. if they both leave at 3: 20pm at what time will the next leave together

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.