SOLUTION: Hi An amoeba population triples every 10 minutes. If A Petri dish is completely filled after 7 hours. How long did it take for the Petri dish to be a third filled. Thanks

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Hi An amoeba population triples every 10 minutes. If A Petri dish is completely filled after 7 hours. How long did it take for the Petri dish to be a third filled. Thanks      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1185282: Hi
An amoeba population triples every 10 minutes. If A Petri dish is completely filled after 7 hours. How long did it take for the Petri dish to be a third filled.
Thanks
Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
An amoeba population triples every 10 minutes. If A Petri dish is completely filled after 7 hours.
How long did it take for the Petri dish to be a third filled.
~~~~~~~~~~~~~~~~~~ 


It is a joke problem, because the answer becomes OBVIOUS if to think a minute.


It takes 10 minutes less than 7 hours for the Petri dish to be a third filled.


ANSWER.  It takes 6 hours and 50 minutes.

Solved and explained.


                    E N J O Y  ( ! )