AlgebraEasy–MediumGreatest number of purchases within a balance
Algebra practice question
A gift card holds $250. Each cinema visit costs $18. What is the greatest number of visits that can be paid for entirely from the card?
Answer: 13
18n ≤ 250 gives n ≤ 13.9, so 13 visits.
Common wrong answers
- If you answered 12
- 12 fits but is not the greatest.
- If you answered 14
- 14 visits would cost $252, more than the card holds.
- If you answered 13.9
- 13.9 is the exact quotient; visits are whole.
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