Homework Problems $($Total $3)$

$-$ Example $\backslash$# $1$ Draw then AOA network

$\backslash$begin$\{$tabular$\}\{|$l$|$l$|$l$|$l$|\}$

$\backslash$hline Activity $\backslash$# & Description & Predecessor Activity & Duration $\backslash \backslash$

$\backslash$hline $\backslash (1-2\backslash )$ & Activity A & $--$ & $9\backslash \backslash$

$\backslash$hline $\backslash (2-3\backslash )$ & Activity B & Activity A & $8\backslash \backslash$

$\backslash$hline $\backslash (2-4\backslash )$ & Activity C & Activity A & $2\backslash \backslash$

$\backslash$hline $\backslash (3-5\backslash )$ & Activity D & Activity B & $6\backslash \backslash$

$\backslash$hline $\backslash (4-5\backslash )$ & Activity E & Activity C & $7\backslash \backslash$

$\backslash$hline $\backslash (5-6\backslash )$ & Activity F & Activity D and E & $9\backslash \backslash$

$\backslash$hline $\backslash (6-7\backslash )$ & Activity G & Activity F & $7\backslash \backslash$

$\backslash$hline

$\backslash$end$\{$tabular$\}$