Solve the following inequality. 12x + 40 < 304
x = 18
x < 22
x > 24
x = 25
To solve the inequality 12x + 40 < 304, subtract 40 from both sides:
12x + 40 - 40 < 304 - 40
12x < 264
Then, divide both sides by 12 to isolate x:
12x/12 < 264/12
x < 22
Therefore, the correct answer is x < 22.