Respostas

  • Usuário do Brainly
2013-10-28T23:08:41-02:00
3000------6
4000------x

3000x = 4000*6
3000x = 24000
x = 24000/3000
x = 8

levará 8 horas.
2013-10-28T23:20:16-02:00