Question

An office supply Store A is offering copy paper for $3.00 per pack. Store B is running a special of buy two for $4.20 each and get one free. You need 12 packs of paper. Where is the best price for copy paper?

Answer 1

Store A:

1 pack = $3

12 packs = $3 x 12 = $36

Store B:

3 packs (2 packets + 1 free) = $4.20 x 2 = $8.40

12 packs = 8.40 x 4 = $33.60

Compare:

12 packs at Store B < 12 packs at Store A

⇒ Store B is a better buy

Answer: Store B has the better price for copy paper.