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 Class 8 Mathematics questions and answers on percentage increase and decrease

In year 2005, enrollment in a school was 450. In the year 2006, the enrollment decreased by 10% from that year of 2005. The enrollment increased by 20% in year 2007. What was the enrollment in the year 2007?
A. 396
B. 486
C. 495
D. 584

 (6m 12s)
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