What is the product of StartFraction 4 Over 5 EndFraction times two-fifths? A model representing StartFraction 4 Over 5 EndFract
2 answers:
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Answer:
c.
Step-by-step explanation:
Given,
Number of bacterias who alive for at least 30 days = 5,
Bacterias who alive for 2 days = 10,
Died bacterias = 10,
Total bacterias = 5 + 10 + 10 = 25,
Ways of choosing a bacteria = =
= 25,
While, ways of choosing of a bacteria who will live after 1 week = =
= 5,
Hence, the probability it will still be alive after one week = =
OPTION C is correct.