fuzuelp fuzuelp
  • 18-09-2018
  • Mathematics
contestada

um pai tem hoje 54 anos e seus quatro filhos tem juntos 39 anos. dentro de quantos anos a idade do pai será a soma da idade dos filhos?

Respuesta :

birrybrobbb birrybrobbb
  • 18-09-2018

a1 + r.N = b1 + R.N  

54 + 1.N = 39 + 4.N  

4.N - 1.N = 54 - 39  

3.N = 15  

N = 15 / 3  

N = 5 anos

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