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Allison invested $23,000 in an account paying an interest rate of 6.7% compounded annually. Assuming no deposits or withdrawals are made, how long would it take, to the nearest year, for the value of the account to reach $76,300

Respuesta :

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Answer:

18 years

Explanation:

Given that;

P= $23,000

A= $76,300

r= 6.7%

From

A = P(1 + r/100)^n

76,300 = 23,000 (1 + 0.067)^n

3.3 = (1.067)^n

Taking logarithm of both sides

log 3.3 = log (1.067)^n

log 3.3 = nlog(1.067)

n= log 3.3/log 1.067

n= 0.5185/0.0282

n= 18 years ( to the nearest year)

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