Question 1153871
{{{ 3A = A*( 1 + .13/4 )^( 4t ) }}}
{{{ 3 = 1.0325^( 4t ) }}}
Take the log of both sides
{{{ log( 3 ) = 4t*log( 1.0325 ) }}}
{{{ .47712 = 4t*.01389 }}}
{{{ .47712 = .05556t }}}
{{{ t = 8.58747 }}}
8.59 yrs
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