Question 304576
12,000 (1 + r)^2=27,000
{{{(1 + r)^2 = 27000/12000 }}}
{{{(1 + r)^2 = 27/12 }}}
Take the square root of both sides:
{{{ 1+r = sqrt(27/12) }}}
{{{ r = sqrt(27/12)-1 }}}
r = 0.50 (or, 50%)