Find the work (in ft-lb) done by winding up a hanging cable of length 100 ft and weight-density 3 lb/ft. ft-lb How much work (in ft-lb) is done to lift the cable 50 ft?

Question was not very clear if there are specific answer choices tell me and i'll try to you more. hope this though2 laps is 1 min. we know that for each min she does two times the amount of laps. for 12 laps we can do 12/2 which does give us 12 laps in 6 mins not 16 mins.

So what is the question