et A$,$ B$,$ and C be the amounts invested in companies A$,$ B$,$ and C$.$ If no more than $40\%$ of the total investment can be in company B$,$ how can you express that as a constraint?

Group of answer choices

B $<=0\mathrm{.}4$

$0\mathrm{.}4$A $$ B $0\mathrm{.}4$C $<=0$

$0\mathrm{.}4$A $+0\mathrm{.}6$B $0\mathrm{.}4$C $<=0$

$0\mathrm{.}6$A $+0\mathrm{.}4$B $0\mathrm{.}6$C $<=0$

$0\mathrm{.}4$A $$ B $+0\mathrm{.}4$C $<=0$