B. 180cm3
You have to find length, width, and height of both objects.
For the first one multiply:
3 x 8 x 5 = 120
Then multiply:
2 x 5 x 6 = 60
Add them together:
120 + 60 = 180cm3
I'm almost certain it's C :)
Answer:
It would take 5/3 or 1 2/3 hours to use a package of napkins.
Step-by-step explanation:
1/3=1/5
2/3=2/5
3/3=3/5
4/3=4/5
5/3=5/5
5/3= 1 2/3