$5-15$

$($a$)$

$($b$)$

FIGURE P$5-15$

Figure P$5-15$ Full Alternative Text $$

a$.($Ans$.426\mathrm{.}7k.$ LRFD$,284\mathrm{.}9k,$ASD $)$

b$.($Ans$.675K,$ LPFD$,4492k,$ASD $)$

Find Pn $($LRFD and ASD$)$