Question 609363: At a certain school, the number of children entering kindergarten increased by 6.7% annually for 5 years then decreased by 4.2% annually in the next 5 years. If 110 children enrolled in kindergarten at the beginning of this period, how many were enrolled after 10 years?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! At a certain school, the number of children entering kindergarten increased by 6.7% annually for 5 years then decreased by 4.2% annually in the next 5 years. If 110 children enrolled in kindergarten at the beginning of this period, how many were enrolled after 10 years?
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Start: 110
after 5 years: 110(1.067)^5
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After another 5 years: 110*(1.067)^5*(0.958)^5 = 122.75
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cheers,
Stan H.
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