Respostas

2014-03-17T19:07:52-03:00
A resposta do exercicio e:1,857%
2014-03-17T19:09:21-03:00
78 % = 78 / 100 = 0,78
42 % = 42 / 100 = 0,42

então : 

 \frac{0,78}{0,42}\approx 1,85

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