Jane had a bottle filled with juice. at first she drank 1/5 of the juice in the bottle. after 1 hours she drank 1/4 of the juice remaining in the bottle. after another 2 hours she drank 1/3 of the remaining juice in the bottle. at that point jane checked how much juice was left in the bottle: there was 2/3 of a cup left. no other juice was added to or removed to the bottle. how much juice was in the bottle originally?