1)19.5 g x 100 / 260 g = 7.5 %
2)150 g x 12 / 100 = 18 gr
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1)19.5 g x 100 / 260 g = 7.5 %
2)150 g x 12 / 100 = 18 gr
2) 150x12/100= ?
Et pareil pour les 2 autres