Question $13$

$1$ pts

One problem with pay$-$as$-$you$-$go systems is the availability of workers paying into the system. In $1960,$ workers contributed for each retired person; however, today only

$q,$ workers contribute per retired person.

$5\mathrm{.}1$; $2\mathrm{.}8$

$2\mathrm{.}1$; $2\mathrm{.}8$

$5\mathrm{.}1$; $2\mathrm{.}1$

$2\mathrm{.}8$; $2\mathrm{.}1$