Answer
A belongs to the solution set.
Work Step by Step
We test whether the coordinates of A$=(66,160)$
satisfy BOTH inequalities.
Inequality 1:
$5.3(66)-160 \geq 180\quad?$
$189.8 \geq 180\quad?$
Yes.
Inequality $2$:
$4.1(66)-160 \leq 140\quad?$
$110.6 \leq 140\quad?$
Yes.
Both inequalities satisfied, A belongs to the solution set.