For the following data given for a horizontal pipeline in Oklahoma, predict the downstream pressure required to transport the gas using Weymouth equation.

Pipeline I.D$.$: $18$ in$.$

Pipeline length: $300$ miles

Temperature: $80$

Gas specific gravity $0\mathrm{.}7$

Upstream pressure: $700$ psia

Delivery gas flow rate: $40$ MMscfd

Gas viscosity $=0\mathrm{.}02$ cp

Gas z$-$factor $=1\mathrm{.}1$

Pipe absolute roughness $=0\mathrm{.}0005$ inches

Base pressure $=14\mathrm{.}7$ psia

Base temperature $=520$ oR