Margy02
Margy02 Margy02
  • 26-10-2016
  • Mathematics
contestada

solve using cross pruduct: 7/4 = 21/x

Respuesta :

Аноним Аноним
  • 26-10-2016
7/4 = 21/x
7x = 21*4
7x = 84
x   = 84/7
x   =12
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Аноним Аноним
  • 27-10-2016
21/3 should ne the answer
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