Question
PSLE
Puffs are sold in boxes of 4, 10 or 18. Zane buys 50 puffs. What is the least number of boxes Zane buys?
2 m

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PSLE
Puffs are sold in boxes of 4, 10 or 18. Zane buys 50 puffs. What is the least number of boxes Zane buys?