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On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enter a period of population growth. Its population increases 7% each year. On the same day, Checkersville has 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 of Checkersville? Please show your work and explain your steps in the simplest way possible. :)
 one year ago
 one year ago
Did I do this right? Please check my work, somebody? On January 1, 2010, Chessville has a population of 50,000 people. Chessville then enter a period of population growth. Its population increases 7% each year. On the same day, Checkersville has 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 of Checkersville? Please show your work and explain your steps in the simplest way possible. :)
 one year ago
 one year ago

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omgitsjcBest ResponseYou've already chosen the best response.1
(50K)(.07)=3500 (70K)(.04)=2800 in y1 of you enter 50000 + 3500x and y2 you enter 70000  2800x...go to the table and you will see that they equal after about 3 years
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
first you want to convert the percentages to decimals
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
so you divide 7 by 100 and 4 by 100
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
7/100= .07 4/100= .04
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
then you want to multiply 50,000 by .07 and 70,000 by .04
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
50,000 times .07=3500 70,000 times .04= 2800
 one year ago

omgitsjcBest ResponseYou've already chosen the best response.1
50,000 times .07=3500 70,000 times .04= 2800
 one year ago
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