Respuesta :

Answer:

A=15x²

Step-by-step explanation:

hope that it will help you

The proper expression of A such that the fraction are equivalent is 15xy

Mathematical expression

  • [tex]\frac{3x}{4y} =\frac{A}{20y^{2} }[/tex]

cross multiply

3x(20y²) = A4y

divide both sides by 4y

A = 3x(20y²)  / 4y

A = 60xy² / 4y

Therefore,

A = 15xy

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