part $2$ help

Q$\_(1),$Q$\_(2),$Q$\_(3)$ are flow$-$hotes to be delivered of the funtis

on the top of the nespective buildings.

v$\_(1)$v$\_(1),$v$\_(2),$t$\_(3)$ are values. $\{$No minor bosses$\}$

Part $1$: Desigh the pipe diameters d$\_(1),$d$\_(2),$d$\_(3)$ and the prump nower so that

Q$\_(1)=$Q$\_(2)=$Q$\_(3)=4\mathrm{.}5($m$^(3))/($m$)$ when all AA$\_(1)$AA$\_(1),$t$\_(2),$H$\_(3)$ are open. It is given

that d$\_(1),$d$\_(2),$dm $($the diameter of the feed pipe$).$

pant $2$: Find, Q$\_(1)$ whem only AA$+$t$\_(1)$ are oper, Q$\_(2)$ when only AA$+$V$\_(2)$ are open, and