AlgebraHardMost plants after buying pots
Algebra practice question
A gardener buys 4 pots at $12 each and then as many plants as possible at $5 each, spending no more than $90 in total. How many plants can the gardener buy?
Answer: 8
48 + 5p ≤ 90 gives p ≤ 8.4, so 8.
Common wrong answers
- If you answered 7
- 7 stops one short.
- If you answered 9
- 9 would cost $93.
- If you answered 18
- 18 divides 90 by 5, ignoring the pots.
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