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The population of town is 600000 if birth rate 7.5% p.a and death rate is 4.5% p.a find the population of the town after one and a half year |
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Answer» The birth rate is 7.5% hence, the number of people birth in year =7.5/100×600000=45000so, in one and half year after = 45000+22500=67500similarly, the number of people dead one year =4.5/100×60000=27000so, in one and half year =27000+1350067=40500the number of population if town=600000+(67500-40500)=600000+27000=627000.hence, the population of town after one and half year is 672700 |
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