A rectangular barge weighing $200,000kg$ is

$14m$ long, $8m$ wide and $4\mathrm{.}5m$ deep. It will transport

to Cebu $20mm$ diameter by $6m$ long reinforcing

steel bars.

a$.$ If a draft is to be maintained at $3m,$ how

many pieces of the bars can it carry if the density of

salt water is $1,026k\frac{g}{m}3$ and steel is $7,850k\frac{g}{m}3.$

b$.$ What is the draft from the barge when ond

half of its cargo is unloaded in fresh water?