Question $6(8$ points$)$

Your neighbor is asking you to invest in a venture that will double your money in $2$

year$($s$).$ Compute the annual rate of return that he is promising you? $($Record your

answer as a percent rounded to $1$ decimal place; for example, record $\mathrm{.}186982=$

$18\mathrm{.}7\%$ as $18\mathrm{.}7$