Solve for the unknown interest rate in each of the following: $($Do not round intermediate calculations and enter your answers as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$Solve for the unknown interest rate in each of the following: $($Do not round Intermedlate

calculations and enter your answers as a percent rounded to $2$ declmal places, e$.$g$.,$

$32\mathrm{.}16.)$