Respuesta :

Answer:

  • a and d are extremes
  • b and c are means

Step-by-step explanation:

[tex]\frac{a}{b} =\frac{c}{d}[/tex]

another way to write the equality of the two ratios is :

a : b = c : d

as you can see in the equality a : b = c : d

  • a and d are extremes
  • b and c are means

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