document.write( "Question 490014: The yearly changes in the population of a city for three consecutive years are respectively, 20% increase, 30% increase, and 20% decrease. What is the total percent change from the beginning to the end of the third year? \n" ); document.write( "

Algebra.Com's Answer #333843 by deborabr(181) $\"\"$ $\"About$

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in the first year has 20% increase
\n" ); document.write( "in the second year has 30% increase but in relation the beginnig has 20% of the first year more 30% of the second year, so has 50%
\n" ); document.write( "and in the third year has 20% decrease but has the 50% of the second and first years so now has 50% less 20%
\n" ); document.write( "from the beginning to the end change 30% \n" ); document.write( "

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