Aquarium

I have an aquarium that is 100 cm long and 40 cm wide and 40 cm in height. We fill it with water. How much will it weigh?

Correct result:

m =  160 kg

Solution:

a=100 cm→ dm=100/10  dm=10 dm b=40 cm→ dm=40/10  dm=4 dm c=40 cm→ dm=40/10  dm=4 dm  V=a⋅ b⋅ c=10⋅ 4⋅ 4=160 dm3  h=1 kg/dm3  m=h⋅ V=1⋅ 160=160 kg

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