tyroneetyronee tyroneetyronee

23-08-2021
Mathematics

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3 attempts remaining.
150 moths lived in a lab. Each week, some moths died, and about 1/5 survived . How many moths were still alive after 2 weeks?

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bernardchan bernardchan

23-08-2021

6 moths were alive
To find the # of moths that survived the first week, you do 150 / 5 and you get 30. Do the same thing again with 30 and you get 6

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