Cube-shaped 32441

We painted a closed cube-shaped oil tank with an edge length of 1.5 meters twice with a protective coating. How many kilograms of paint did we use if 1 kg of paint is enough for 10 square meters?
How many liters of oil are in the tank if it is filled to the brim?

Correct answer:

m =  2.7 kg
V =  3375 l

Step-by-step explanation:

a=1.5 m n=2 h=10 m2/kg  S=6 a2=6 1.52=227=13.5 m2 n=2  m=n S/h=2 13.5/10=2.7 kg
V1=a3=1.53=827=3.375 m3  V=V1 l=V1 1000  l=3.375 1000  l=3375 l=3375 l

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