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## Homework Statement

Solve the compound interest formula for r by using natural logarithms.

## Homework Equations

A=P(1+r/n)

^{nt}

## The Attempt at a Solution

1400 = 1000(1+r/360)

^{(360*2)}

1.4 = (1+r/360)

^{720}

ln(1.4) = 720ln((360+r)/360)

I'm not sure where to go after this. Did I make a mistake?