AlgebraEasyInequality for a minimum age
Algebra practice question
Riders on a certain roller coaster must be at least 12 years old. Which inequality represents the ages a, in years, of people allowed to ride?
- A. a ≥ 12Correct
- B. a > 12
- C. a ≤ 12
- D. a < 12
Answer: A. a ≥ 12
'At least 12' includes 12.
Why the other answers are wrong
- B. a > 12
- This excludes 12-year-olds.
- C. a ≤ 12
- This is a maximum age.
- D. a < 12
- This is a maximum that excludes 12.
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