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The population of town increases by 10%annually. If the present population is 22000, find the itspopulation a year ago. |
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Answer» `P+(P*10/100)` `P+0.1P=1.1P` a year pop was x Next year`(x+x*10/100)=2200` `x+0.1x=2200` `1.1x=2200` `x=2000` 1 year ago pop=2000. |
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