Level 3
A bookstore sells either one pen for $2 or in packs of 5 for $7. Pamela wants to buy exactly 33 pens with the smallest amount of money. How much does she have to pay for the 33 pens?
Level 2
Mandy has 322 packets of chips. She packs 8 packets into a box. What is the smallest number of boxes she will need to contain all the packets of chips?
Level 2
Mrs Lim has 235 muffins. If she wants to give 4 muffins to each of her friends, what is the maximum number of friends she can give the muffins to?