The population of a variety of tiny bush in an experimental field increased by 10% in the first year , increased by 8%
in the second year but decreased by 10% in the third year . If the present number of bushes in the experimental field
is 26730, then the number of bushes in he beginning was :
Number of bushes in the beginning = `(26730)/((1 + 10/100) (1 + 8/100)(1 - 10/100))`
= `(26730 xx 10/11 xx 25/27 xx 10/9)` = 25000.
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