28. Up to 6 people are allowed in the cable car
A. n ≤
B. n ≥ 6
C. n < 6
D. n > 6

29. A driver must be at least 18 years old A. n ≤ 18
B. n ≥ 18
C. n < 18
D. n > 18

30. More than 10 students are needed to join the parade.
A n ≤ 10
B. n ≥ 10
C. n < 10
D. n > 10​