SOLUTION: Please help me solve this problem. At 12:00 pm two flies are place in a room. One minute later there are four flies, in another minuted- eight flies, in another minute-sixt

Question 169741: Please help me solve this problem.

At 12:00 pm two flies are place in a room.
One minute later there are four flies, in another minuted- eight flies, in another minute-sixteen flies, etc.
At 1:00 pm the room is completely filled with flies. At what time was the room half filled? Please explain your answer.

Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
12:59 pm
They double every minute.
There must have been 1/2 as many the minute before.
.
Ed
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