Răspuns :
300kg grau ->255 kg faina
100kg grau -> ?
100=300/3
=>100hg grau -> 255/3 kg faina = 85 kg faina
100kg grau -> ?
100=300/3
=>100hg grau -> 255/3 kg faina = 85 kg faina
300 kg grau-----------------------------255 kg faina
100 kg grau----------------------------- x kg faina
300*x=100*255
300x=25500
x=85 kg faina
100 kg grau----------------------------- x kg faina
300*x=100*255
300x=25500
x=85 kg faina