SOLUTION: i need help with this question A village has 10,000 people. Due to emigration, the population is continuously decreasing at 4%. What will the population be in 8 years? I got

Question 33476: i need help with this question
A village has 10,000 people. Due to emigration, the population is continuously decreasing at 4%. What will the population be in 8 years?
I got 13771.227. My friend got 127533.0.
which one of us is correct?

Answer by mszlmb(115) (Show Source): You can put this solution on YOUR website!
check 2 make sure i didn't make a mistake myself!
well the population decreases from 10 thousand so your answers of >13 thousand and >127 thousand are both wrong.
the equation for this is y=-400x.+10,000 in y=mx+b form. The graph is posted @ the bottom. The Y represents the populace in X years (so duh x represents the year). The 400 is 4% of 10,000; which is by how much the populace decreases each year (yea, 400 people emigrate each year). To get the answer for 8 years, your X=8. so -400(8)+10,000 is your populace. =10,0000-3,200=6,800.
There's your answer, 6,800.
If you have any questions or comments IM me.

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