Becky learned a total of 6 appetizer recipes over the course of 3 weeks of culinary school. After how many weeks of culinary school will Becky know a total of 20 appetizer recipes? Solve using unit rates.

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.