AlgebraEasyRoom left in a lift
Algebra practice question
A lift can carry at most 8 people. Six people are already in it. What is the greatest number of additional people who can get in?
Answer: 2
6 + n ≤ 8 gives n ≤ 2.
Common wrong answers
- If you answered 3
- 3 more would make 9, over the limit.
- If you answered 8
- 8 is the lift's capacity, not the space left.
- If you answered 14
- 14 adds 6 and 8.
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