Respostas

2014-05-19T19:20:16-03:00
 \frac{9,1}{100} = \frac{x}{50}

100x=9,1*50

100x=455

x= \frac{455}{100}

x=4,55

 \frac{359,1}{100} = \frac{x}{770}

100x=359,1*770

100x=276.507

x= \frac{276.507}{100}

x=2765,07


 9,1% de R$ 50,00 = R$ 4,55
 359,1% de 770 = 2765,07 gramas
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