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Percentage (Pri-5)

/ Percentage Raffles Girls’ Primary School / Others (2013)
13. At an old folks' home, the number of residents increased by 15% from 2011 to 2012. However, it decreased by 6% from 2012 to 2013. The number of residents increased by 81 from 2011 to 2013. How many residents were there in 2013?
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September 14, 2018
 
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N = original number of residentsN ( 1.15 ) ( 0.94 ) = N + 811.081N - N = 810.081N = 81N = 1000---So residents in 2013 = 1000 + 81 = 1081  (ans)
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September 14, 2018
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