Question $9$

$1$ pts

Some time ago, you invested $2,959.$ Today you discover that you have$19,916$ in your bank account. If your investment earned $11\%$ interest, how long was your money invested?

$($Enter the absolute value of your response to $2$ decimal places ex: $123\mathrm{.}45$ NOT $-123\mathrm{.}45)$