Question 1033786
{{{A=P(1+r)^5}}} ==> {{{5500 = 3000(1+r)^5}}}

==> {{{11/6 = (1+r)^5}}}  ==> {{{r = root(5, 11/6)-1 = 0.12888}}} to five significant figures.

Therefore, r  = 12.9%.