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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
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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 Malfet
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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 Juanda
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