Question 1154320

{{{2000(1+r)^2=2123.60}}}.....find the interest rate, solve for {{{r}}} 

{{{(1+r)^2=2123.60/2000}}}

{{{(1+r)^2=1.0618}}}

{{{(1+r)=sqrt(1.0618)}}}

{{{1+r=1.03044}}}

{{{r=1.03044-1}}}

{{{r=0.030437}}} => {{{r=3.044}}}%