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geerky42 (geerky42):
The population of District A is three times the average population of the other nine districts in the city. What percent of the city's population lives in District A? Any idea?
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geerky42 (geerky42):
@Algebraic!
OpenStudy (anonymous):
let A be the population in the district and P be the population of the city. A = 3(P-A)/9 find A/P
geerky42 (geerky42):
the answer is 25%, right?
OpenStudy (anonymous):
yep.
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