Respostas

  • ltm
  • Ambicioso
2014-08-24T17:54:50-03:00
7200--------100%
x----------------20%
100x= 7200.20
x=144000/100
x=1440

2014-08-24T18:01:58-03:00
20% de 7200,00 = z
x=72000
y=20%
z=?
(x/100)·y=z
(7200/100)20=72·20=1440
20% de 7200= 1440
gente eu tenho 11 ano e nao 21 kk
anos*