Among this one-third, it was also assumed that half of them(13×12=16)" src="https://img-nm.mnimgs.com/img/study_content/editlive_lp/120/2012_09_10_16_38_26/mathmlequation2300745749479281491.png" /consumed very little (or nil), while the rest half consumed half of the diet of adults. The weighted average of consumption of these three segments of population gives an estimate of poverty line. Algebraically, poverty line is estimated as follows.

16(nil)+16(half)+23(full)=34(full)" src="https://img-nm.mnimgs.com/img/study_content/editlive_lp/80/2012_08_01_09_25_34/mathmlequation4270994291516551241.png" /

please explain the whole thing i am confused