AlgebraMediumMost items after a fixed cost
Algebra practice question
A club pays $25 to hire a hall and $6 per person for food, and it has at most $100 to spend. What is the greatest number of people it can feed?
Answer: 12
25 + 6p ≤ 100 gives p ≤ 12.5, so 12.
Common wrong answers
- If you answered 13
- 13 would cost $103.
- If you answered 16
- 16 divides 100 by 6, ignoring the hall.
- If you answered 12.5
- 12.5 is not a whole number of people.
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