Question
A shop was having promotion for puffs. For every 6 puffs bought, 1 puff would be given free. Mrs Ken paid for 42 puffs. How many free puffs would she have in all?
4 m

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A shop was having promotion for puffs. For every 6 puffs bought, 1 puff would be given free. Mrs Ken paid for 42 puffs. How many free puffs would she have in all?