Respuestas

2013-12-19T21:39:36+01:00
  • Usuario de Brainly
2013-12-19T21:40:31+01:00
1 hora = 3/3 h

2/3 h  ---------------  4 km
3/3 h  ---------------      x

2x/3 = 4* (3/3)
2x/3 = 4*1
2x/3 = 4
2x = 4*3
2x = 12
x = 12/2
x = 6

En 1 hora andará 6 km.