Asalon is scheduling manicures for $20 and pedicures for $30 for the holiday season. a manny takes 15 minutes, and a petty takes 30 minutes. a worker wants to schedule no more than 10 per day and only work up to four hours each day. how many of each service she be schedule to maximize profit?

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.