Respostas

  • Usuário do Brainly
2013-10-20T13:52:46-02:00
100:100---- 1
-------- = ------ = 0,2 ou 20 %
500:100---- 5

ou

100-----------x %
500----------100 %

500x = 100*100
500x = 10000
x = 10000 / 500
x = 20

logo: 20 %
1 4 1
2013-10-21T13:49:08-02:00
  x    de 500 = 100
100
500x  = 100
100
500x = 100 * 100
500x = 10.000
x = 10.000 : 500
x = 20
Resposta: 20%
1 5 1