Sugar cubes

The glass has 600 ml of tea, which represents 80% of the volume of the glass. If you put twenty regular sugar cubes of 2 cm in the tea, how many ml of tea are poured?

Correct result:

x =  10 ml


V1=600 V=V1/0.80=600/0.80=750 V2=23=8 x=V1+20 V2V=600+20 8750=10 ml

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