Respostas

  • Usuário do Brainly
2014-06-07T15:19:48-03:00
Temos então:

60s  _______ 10 km
20 s_________x
60x= 200
x= 200÷60
x= 3,33 km
2014-06-07T15:21:16-03:00
60 ______ 10
20________x 

60x= 200
x=200/60
x=3,33Km