Respostas

2013-12-10T15:35:26-02:00
14 e 21.
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2013-12-10T16:35:57-02:00
A+b = 35
a/b = 2/3 --> 3a = 2b --> a = 2b/3

2b/3 + b = 35
2b/3 + 3b/3 = 35x3/3
2b + 3b = 35x3
5b = 35x3
b = 35x3/5
b = 7x3
b = 21

a = 2b/3
a = 2.21/3
a = 2.7
a = 14
1 5 1