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Un article trouvé pour ce sujet.
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A group of people |
2008-11-15 |
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Michael pose la question :
In a group of people,
if 20% of the people are 18-34 years of age, and 30% of the people
are 25-54 years of age.
What are the percentages of people 18-24,25-34,35-54 and other?
Thank you - Mike
Chris Fisher lui répond. |
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