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nikklg [1K]
3 years ago
9

the population of jamestown is decreasing by 250 people per year. if the population is 25,000 today, what will it be in two year

s
Mathematics
1 answer:
marta [7]3 years ago
3 0
26265 population ( even though calculation results in a fraction higher than 0.5 over this number, since the number represents people, you can not round it up to a whole person).

Solution: Treat this like a simple example of a compounded interest, where , like the interest earned on first year earns extra interest on it for next year; the increase in population at the end of a year, contributes to the growth rate, thus 2.5% compounded poverty two years, for 25,000/- people, results in 26,265.
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Step-by-step explanation:

Solving the expression:

\frac{6}{5}=\frac{n+2}{2n-3}

Solving:

\frac{6}{5}=\frac{n+2}{2n-3}\\Cross\,\,multiply:\\6(2n-3)=5(n+2)\\Simplifying:\\12n-18=5n+10\\Combining\,\,like\,\,terms:\\12n-5n=10+18\\7n=28\\n=\frac{28}{7}\\n=4

So, solving \frac{6}{5}=\frac{n+2}{2n-3} we get value of n: n=4

Keywords: Solving Expressions

Learn more about Solving Expressions at:

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