Ok I took it in steps the answer that is 100% more certain is 1/8. The fraction is 1/8 that they take home.
L*W*H , So 4*4*4, So therefore it would be 64 m3
Negative plus a negative is always positive. positive plus a positive is a positive. but if you have an positive plus a negative whatever sign has the bigger number thats the sign you'll use.