Quote:
Originally Posted by hamdanaslam
senoirs please solve this problem with detail:
it takes 30 days to fill a laboratory dish with bacteria. if the size of the bacteria doubles each day, how long did it take the bacteria to fill one half of the dish?
a. 10 days
b. 15 days
c. 24 days
d. 29 days
e. 29.5 days
|
29 days
the size of bacteria doubles each day. it means from half dish it will become full dish in one day as the dish gets filled in 30 days, so it means the dish was half full of bacteria on 29th day and became full on 30th day