SOLUTION: how do i work out this equation? 60=[400/(1+r)^3]

SOLUTION: how do i work out this equation? 60=[400/(1+r)^3]

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Question 41762: how do i work out this equation?
60=[400/(1+r)^3]
Answer by psbhowmick(878) (Show Source): You can put this solution on YOUR website!

or
or
or r = 1.8821 - 1 = 0.8821

As simple as that!
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