Answer:
216
Step-by-step explanation:
LxWxH fill it in 3x6x12=216
y=15x
revenue=cost of hair cut(number of haircuts)
x + 112 + 133+128+100+120= 720
x + 593 = 720
x = 127
y = 2x + 8
6x + 3y = 19
6x + 3(2x + 8) = 19
6x + 6x + 24 = 19
12x = -5
x = -5/12
y = 2(-5/12) + 8
y = -5/6 + 48/6
y = 43/6
