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33 votes
33 votes
An experiment starts with 30 bacteria. After 4 hours, there are 135 bacteria. How long will it take for the bacteria population to reach 4,500? Round to the nearest tenth of an hour. You must show your work to receive credit.

User Viacheslav Yankov
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1 Answer

23 votes
23 votes
to figure out the rate per hour u have to do 135 minus 30 to get 105
then divide that by 4 to get 26.25 THEN divide 4,500 by 26.25 to get ur answer: 171.4 hours
User Viggo
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