Butter fat

A quarter of kg butter contains 82% fat. How many grams of fat are in four cubes of butter?

Correct result:

t =  820 g


n=4  m=n 14=4 14=1 kg  q=82%=82100=0.82  t1=q m=0.82 1=4150=0.82  t=t1 g=t1 1000  g=0.82 1000  g=820 g

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