Answer
F) A
Work Step by Step
Area B has (0,0) as a point.
$3x+5y > 150$
$3*0+5*0 > 150$
$0+0 > 150$
$0>150$ (false)
Area A has (5,40) as a point.
$4x+2y < 115$
$4*5+2*40 < 115$
$20 + 80 < 115$
$100 < 115$ (true)
$3x+5y>150$
$3*5+5*40 > 150$
$15 + 200 > 150$
$215 > 150$ (true)