Data reveled that there was a 14% increase in the number of students at PS 194 from 2000 to 2005 and later revealed that there w
as a 6% decrease in the number of students from 2006 to 2010. If there were 1,200 students in the school at the start of 2000, approximately how many students were in the school at the end of 2010?
1 answer:
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For any equation,
assume solution of a form,
Which leads to,
Simplify to,
Then find solutions,
For non repeated real root y, we have a form of,
Following up,
For two non repeated complex roots where,
and,
the general solution has a form of,
Or in this case,
Now we just refine and get,
Hope this helps.
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