same thing goes with it. if span = 8ft coz u don't go with the larger span, assume joist wt = (6"x14")/144 x 45pcf) =26.25 #/ft + (2"x6")/144 *45pcf =3.75 #/ft + 1200#/ft.
total wt =26.25+3.75+1200=1230#/ft, M = .125*1230*8²=9840 ft-# , S = 5.5*13.5²/6 =167 in³, so M/S =...