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The population of a town is increase by 10% in 1st year then decreased by 20% then increased by 30%. Find net increase. |
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Answer» -step EXPLANATION:Assuming we have a population of (x)after ONE year, Population = ( x + 0.2 x) = 1.2 xanother year a DECREASE of 10 % will be = .1 * 1.2 xIncreasing = + , & Decreasing = -So , net population will be = x + 0.2 x - (0.1 * 1.2 X) = 1.08 XSO , The new population will be = 1.08 xwith positive SIGN means an increase by 8 % |
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