A lady works 2t hours each day from Monday to Friday. She works (2t-y) hours on Saturday. She does not work on Sunday. a) Express her working hours in a week in terms of t and y. b) How many hours does she work each week when t = 4 41 and y = 3?

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.