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SIX HUNDRED. WE KNOW THAT 5%, OR 30 OF THE MEN ARE WEARING ONE EARRING. OF THE OTHER 95%, OR 570, WE KNOW THAT HALF ARE WEARING TWO EARRINGS AND THE OTHER HALF NONE. THIS IS THE SAME AS IF THEY ALL WORE ONE YES. HE TOOK AS MUCH TIME FOR THE SECOND HALF OF HIS TRIP AS THE WHOLE TRIP WOULD HAVE TAKEN ON FOOT. SO NO MATTER HOW FAST THE TRAIN WAS, HE LOST EXACTLY AS MUCH TIME AS HE SPENT ON THE TRAIN. HE WOULD HAVE SAVED 1⁄30 OF THE TIME BY WALKING ALL THE WAY THE BIN WAS HALF FULL AT 10PM. THE SKIP STARTED WITH 1 LONELY BOTTLE. AT NOON: 1 PERSON CAME ALONG AND ADDED A BOTTLE, MAKING THE TOTAL 2 BOTTLES. AT 1PM: 2 PEOPLE CAME ALONG AND ADDED A BOTTLE EACH, MAKING THE TOTAL 2 + 2 = 4 BOTTLES. AT 2PM: 4 PEOPLE CAME ALONG AND ADDED A BOTTLE EACH, MAKING THE TOTAL 4 + 4 = 8 BOTTLES. AT 3PM: 8 PEOPLE CAME ALONG AND ADDED A BOTTLE EACH, MAKING THE TOTAL 8 + 8 = 16 BOTTLES. THEREFORE THE NUMBER OF BOTTLES IN THE BIN IS DOUBLING EVERY HOUR, AS IT WAS FULL AT 11PM, IT MUST HAVE BEEN HALF FULL AT 10PM BOTH DAVE AND BRAD WERE GIVEN DRINKS WITH POISONED ICE CUBES. BRAD DRANK HIS DRINKS SO QUICKLY THAT THE ICE DIDN'T HAVE TIME TO MELT AND RELEASE THE POISON