$\backslash$table$[[$Employed Adults,$200$ million$],[$Labor force,$208$ ml$],[$Unemployed adults,$8$ million.$],[\backslash$table$[[$Adults not in the labor force$]],30$ ml$],[\backslash$table$[[$Non$-$adults $($under $16)],[$population$]],40$ ml$]]$

Based on the table given above, the unemployment rate is:

$3\mathrm{.}85\%$

$6\mathrm{.}75\%$

$4\mathrm{.}55\%$

$10\%$