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ROSELINMARIEIN
contestada

5/15 = ×/9
×/20 = 3/4
25/× = 3/36
8/28 = 12/×

me ayudan​

Respuesta :

FITNESSLIFEHEALTHYLIIN
  • 5/15 = ×/9
  • 5/5 = x
  • 1 = x

  • ×/20 = 3/4
  • x/5 = 3
  • x = 5•3
  • x = 15

  • 25/× = 3/36
  • 25/x = 1/12
  • 25•12 = 1•x
  • 300 = x

  • 8/28 = 12/×
  • 8•x = 12 • 28
  • 8x = 336
  • x = 336/8
  • x = 42

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