Question
At a buffet promotion, for every 4 paying adults, the fifth adult gets to dine for free. Valen dined with 28 friends at the restaurant. How many of them dined for free?
2 m

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At a buffet promotion, for every 4 paying adults, the fifth adult gets to dine for free. Valen dined with 28 friends at the restaurant. How many of them dined for free?