Respostas

2014-05-13T17:21:32-03:00
X + x/2 + x/3 = 99

6x + 3x + 2x =594
            6

11x = 594
x=594/11
x=54

54 + (54/2) + (54/3) = 99
54 +   27    +   18   = 99

R: 54 anos