Respostas

2014-06-09T13:22:20-03:00
34,70 - 4,10 (valor pago - taxa fixa) = 30,60
30,60 : 1,70 = 18km  

2014-06-09T14:43:53-03:00
1,70x +4,10 = 34,70
1,70x = 34,70 - 4,10
1,70x = 30,60
x = 30,60/1,70
x = 18 km

1,70x +4,10 = 34,70
1,70x = 34,70 - 4,10
1,70x = 30,60
x = 30,60/1,70
x = 18 km