Answer to Question #337392 in Algebra for Skyla

Question #337392

Suppose $200 is invested at 6% annual interest compounded continuously. When will the investment be worth $800?

Expert's answer

"A=Pe^{rt}"

A=800

P=200

r=0.06

t-?

"800=200e^{0.06t}"

"e^{0.06t}=4"

0.06t=1.386

t=1.386/0.06=23.1 years

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