the population of a city increases 20% annually. if the present population is 24600. find the population a year ago
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Answered by
18
Let the population a year ago be x.
Therefore,
Population this year=
24600=x+20% of x
24600=x+20x/100
24600=120x/100
24600*10/12=x
2050*10=x
x=20500
Therefore,
Population this year=
24600=x+20% of x
24600=x+20x/100
24600=120x/100
24600*10/12=x
2050*10=x
x=20500
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