suppose that in a certain area the consumption of electricity has increased at a continuous rate of

Mathematics
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suppose that in a certain area the consumption of electricity has increased at a continuous rate of 4%. if it continued at this rate, find the number of years before three times as much electricity would be needed 

May 9th, 2015

3P = P(1.04)^n

1.04^n = 3P/P

1.04^n = 3

n = 28 years

May 9th, 2015

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May 9th, 2015
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