Answer:I think the pair that is perpendicular is
Y=2/3x
384 in³
the volume (V) of a cuboid = length × width × height
V = 12 × 4 × 8 = 384 in³ ← fourth on list
12 tables seat 4 people = 48 seats
28 tables seat 2 people= 56
therefore there are 104 seats
It will be
3 4/14+2 3/14+4 6/14=9 13/14