Reservoir + water

The reservoir filled with water weighs 29 kg, and after pouring off, three-quarters of the water weighs 9 kg. Calculate the weight and volume of the reservoir.

Final Answer:

m =  2.33 kg
V =  26.67 l

Step-by-step explanation:

ρ=1 kg/liter m1=29 kg m2=9 kg  m+x=m1 m13/4 x  = m2  m143x=m2 2943x=9  293/4 x=9  3x=80  x=380=26.66666667  x=38026.666667  m=m1x=2926.6667=2.33 kg
x = ρV  V=x/ρ=26.6667/1=26.67 l



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