AlgebraEasyInequality for a lift's capacity
Algebra practice question
A lift can carry at most 600 kilograms. If each person weighs 75 kilograms on average, which inequality describes the number of people p the lift can carry?
- A. 75p ≤ 600Correct
- B. 75p ≥ 600
- C. p ≤ 75
- D. 600p ≤ 75
Answer: A. 75p ≤ 600
The total weight 75p must not exceed 600.
Why the other answers are wrong
- B. 75p ≥ 600
- This says the load must be at least the limit.
- C. p ≤ 75
- 75 is a weight, not a count of people.
- D. 600p ≤ 75
- The weight per person multiplies p, not the limit.
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