Answer:
Its 2!
Step-by-step explanation:
lxwxh
150
3x - 24 = 81
Add 24 to each side.
3x - 24 + 24 = 81 + 24
3x = 105
Divide each side by 3.
(3x)/3 = 105/3
x = 35
Answer: x = 35