At ron's roller rink, the number of customers has been decreasing at a steady rate of 5% per year. if there were 900 skaters per week in 2000, what is a good estimate for the number of skaters per week in 2006?

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.