Answer:
Brand B is the better price because it is approx $0.13 per pencil, and Brand A is more expensive because it is $0.17 per pencil.
Explanation:
Brand A:
7.97/48 = 0.16604166666 = approx $0.17 per pencil
Branch B:
9/72 = 0.125 = approx $0.13 per pencil
Brand B is the better price because it is approx $0.13 per pencil and Brand A is more expensive because it is $0.17 per pencil.