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0 / 60 seg.
The number of bacteria in a large sealed jar doubles every minute. The bacteria will take an hour to fill the jar. When will the jar be half full?
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Clue
YOU NEED TO TAKE OUT THREE SOCKS. TO HAVE A MATCHING PAIR, YOU NEED TO TAKE 2 SOCKS THAT ARE OF THE SAME COLOR. WHEN YOU TAKE 3 SOCKS, 2 OF THE SOCKS WILL BE OF THE SAME COLOR
THE JAR WILL BE HALF FULL IN 59 MINUTES. A MINUTE LATER, IT WILL DOUBLE AND WILL FILL THE JAR
1 1/2 HOURS IS THE SAME AS 90 MINUTES
49 MINUTES. IT IS VERY TEMPTING TO JUST SUBTRACT THE TIMES 9:09 FROM 10:10, ETC., AND GET 61 MINUTES, OR IF YOU'RE CARELESS GET 101 MINUTES. HOWEVER, THINK OF THE TIMES CLOSEST TO ONE ANOTHER, 12:12 AND 1:01, AND YOU WILL FIND THE DIFFERENCE IS 49 MINUTES
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