Respostas

2014-07-24T16:09:55-03:00
Aumentou 30 centavos. Portanto:

Regra de 3:

2,60------100
0,30-------x

2,60x=30
x=11,53%
1 5 1
  • Usuário do Brainly
2014-07-24T16:13:58-03:00
2,90 - 2,60 = 0,30

2,60)(x/100) = 0,30
x = 0,30 . 100 : 2,60
x = 11,538 %
1 5 1