Please help solve part $1$ and $2,$ if you can only solve one please solve part $1$ thanks

Q$\_(1),$Q$\_(2),$Q$\_(3)$ are flow$-$rates to be delivered at the tantis

on the top of the nespective buildings.

$*\_(1),$t$\_(1),$v$\_(2),$t$\_(3)$d$\_(1),$d$\_(2),$d$\_(3)$ and the pump nower so that

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

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

part $2$: Find, Q$\_(1)$ when only AA$+$H$\_(1)$ are open, Q$\_(2)$ when caly AAV$\_(2)$ are open, and

Q$\_(3)$ when only AA$\backslash$alpha V$\_(3)$ are open.