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Use the compound interest formulas A = Pert and A = P(1+r/n)^nt to solve.

Suppose that you have $11,000 to invest. Which investment yields the greater return over 10 years: 6.25% compounded continuously or 6.3% compounded semiannually?

Respuesta :

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A = Pe^rt
P = 11,000 ; r = 6.25% ; t = 10 ; e = 2.7183 approximate

A = 11,000 e ^(0.0625 *10)
A = 11,000 e ^0.625
A = 11,000 * 2.7183^0.625
A = 11,000 * 1.868
A = 20,548

A = P (1 + r/n)^nt
P = 11,000 ; r = 6.3% ; n = 2 ; t = 10

A = 11,000 (1 + 0.063/2)^2*10
A = 11,000 (1 + 0.0315)^20
A = 11,000 (1.0315)^20
A = 11,000 (1.859)
A = 20,449

$11,000 invested at 6.25% compounded continuously over 10 years yields the greater return.

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