Assignment $($Home Work$5$b$)$

Two pipes are connected in parallel between two reservoirs that have difference in levels of $3\mathrm{.}5$ m $.$ The length, the diameter, and friction factor $(4$ f $)$ are $2400m,1\mathrm{.}2m,$ and $0\mathrm{.}026$ for the first pipe and $2400m,1m,$ and $0\mathrm{.}019$ for the second pipe.