To solve the inequality \( 12x + 40 < 304 \), follow these steps:
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Subtract 40 from both sides: \[ 12x + 40 - 40 < 304 - 40 \] \[ 12x < 264 \]
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Divide both sides by 12: \[ x < \frac{264}{12} \] \[ x < 22 \]
So, the solution to the inequality \( 12x + 40 < 304 \) is \( x < 22 \).
Among the options given, the correct answer is:
- x < 22.