Explain how to solve

bousing $[7]$

A balding project consists of $12$ activities. The normal duration requircd to perform various activities and the relationship among the activities are given below:

$\backslash$table$[[$Activity$,$A$,$B$,$C$,$D$,$E$,$F$,$G$,$H$,$I,J$,$K$,$L$],[$Predcoessor$,-,-,$A$,$A$,$B$,$B$,$C$,$C$,$D$,$E$,$F$,$G$.$H$.,$H$],[\backslash$table$[[$Duration$],[($Days$)]],7,5,10,5,8,6,5,4,10,5,8,9]]$