Question: This math problem has got me stumped: Timothy's locker is 24 cubic inches. Zack's locker is half as big as Timothy's locker. Peter's locker is 1/4 as big as Zack's locker. How big is Peter's locker in cubic inches?
Can you show me the way?
Answer: 
Zack's locker is 24/2=12 cubic inches.
Peter's locker is 12/4=3 cubic inches.