Answer:
280 + 12x ≤ 300
Step-by-step explanation:
A group of 20 adults and x students will visit the Museum of Science and History.
Each adult ticket costs $14 and each student ticket costs $12.
If there are maximum $300 to spend on ticket purchasing, then the inequality that gives the number of student tickets can be purchased will be
[tex]14 \times 20 + 12 \times x \leq 300[/tex]
⇒ 280 + 12x ≤ 300 (Answer)