(10x4x5)+(5x5x5) because you could make 2 shapes out of it. one being a cude that is 5x5x5 and the other being a rectangle that is 4x10x5 thenyou would just add them together. :) hope that helps
Answer:
-27
Step-by-step explanation:
11:10am
20 minutes before 12 noon is 11:40am
30 minutes before 11:40am is 11:10am