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anonymous
 one year ago
A certain bacterial culture is multiplying in a culture dish, doubling in size every 6 minutes. It takes exactly an hour to fill the whole dish. How long does it take to fill half the dish?
A. 54 minutes
B. 48 minutes
C. 30 minutes
D. 36 minutes
anonymous
 one year ago
A certain bacterial culture is multiplying in a culture dish, doubling in size every 6 minutes. It takes exactly an hour to fill the whole dish. How long does it take to fill half the dish? A. 54 minutes B. 48 minutes C. 30 minutes D. 36 minutes

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.2think 'backwards'  in the lastt 6 minutes it doubles itself

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2at 60 minutes it was full  6 minutes before it was half that size...

welshfella
 one year ago
Best ResponseYou've already chosen the best response.2sometimes you dont need too much math..

radar
 one year ago
Best ResponseYou've already chosen the best response.0Yes, common sense goes a long ways.
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