## In an experiment, every hour 20% of the total number of bacteria die, and those remaining bacteria double. If there were originally 12

Question

In an experiment, every hour 20% of the total number of bacteria die, and those remaining bacteria
double. If there were originally 125 bacteria, how many are there after three hours?

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3 years 2021-08-01T10:45:48+00:00 1 Answers 14 views 0

Hi there!

There are 50 bacteria after 3 hours

Step-by-step explanation:

After three hours, with a rate of 20% an hour, 60% should have died

20% of 125 is?

100% is 125

/100

1% is 1.25

×60

60% is 75

125-75= 50

Hope this helps
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