$16\mathrm{.}36$ For the reaction $2A+BC+D+2E,$ data for a run

with $[A{]}_0=800$mmo$\frac{l}{L}$ and $[B{]}_0=2\mathrm{.}00$mmo$\frac{l}{L}$ are

and data for a run with $[A{]}_0=600$mmo$\frac{l}{L}$ and $[B{]}_0=$

$2\mathrm{.}00$mmo$\frac{l}{L}$ are

Find the rate law and rate constant.