Posted by Amber on Sunday, February 3, 2013 at 12:29am.
I need help please!!!
On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville had a population of 70,000 people. Checkersville starts to experience a population decline. Its population decreases 4% each year. During what year will the population of Chessville first exceed that a Checkersville? Show all of your work and explain your steps.
Any help would be great.

Alegebra I  Henry, Monday, February 4, 2013 at 7:32pm
50000 + 0.07x*50000>700000.04x*70000.
50000 + 3500x > 70000  2800x
3500x + 2800x > 70000  50000
6300x > 20000
X > 3.17 yr.
So the population of Chessville becomes greater than the population of Checkers
ville during the 3rd yr.

Alegebra I  Henry, Monday, February 4, 2013 at 7:55pm
Correction: Change > to =.
X = 3.17460 Years.
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