Elementary Technical Mathematics

a. $38 oz$. b. $1.077 kg$.
Since $1 kg = 2.205 lb$ and $1 oz =0.0625 lb$, then we have $$2 \ lb \ 6 \ oz=2.375 \ lb .$$ Now, we get a. $2 lb~6 oz = 2.375~lb= 38~oz$. b. $2 lb~6 oz = 2.375~lb= 1.077~kg$.