Answer:
The weight would be 71.6kg
Explanation:
Assuming the fluid mostly water and its density 1 kg/L, the new weight is the last recorded weight minus the mass of 1000ml (1l) of the fluid.
[tex]density=\frac{m}{v}\\m=1L*1kg/L=1kg[/tex]
so the new weight is:
[tex]w=72.6kg-1kg\\w=71.6kg[/tex]