Respostas

2013-10-26T11:02:52-02:00
A) 1 : 9 = 0,111...   = 0,111... x 100 = 11%

b) 4 : 7 = 0,57   = 0,57 x 100 = 57%

c ) 38 : 19 = 2 = 2 x 100 = 200%

d) 100 : 48 = 2,08 =2,08 x 100 = 208 %