Let
⊙

⊙Q have


⌢
AB
⌢
with measure
10
0
∘
100
∘
and point

P as midpoint. If




⌢
=
16
0
∘
m
PBC
⌢
=160
∘
, determine the measure of minor arc


⌢
AC
⌢
. (Please enter the number of degrees only without the degree symbol.