Level 2
Mrs Kang wanted to buy 300 badges. The badges were sold in boxes of 9. What was the minimum number of boxes of badges that Mrs Kang needed to buy?
Level 2
At a buffet promotion, for every 2 paying adults, the third adult gets to dine for free. Mr Chia dined with 13 friends at the restaurant. How many of them dined for free?
Level 2
During a promotion at a bird park, for every 4 visitors, the 5th visitor will be given a free admission ticket. How many free tickets will be given to a group of 46 visitors?