Respuesta :

Hrishii

Answer:

2

Step-by-step explanation:

[tex]y = 2x \\ \\ \frac{y}{x} = 2 \\ equating \: it \: with \: \\ \frac{y}{x} = k \\ \\ k = 2 \\ \\ [/tex]

Hence, constant of proportionality = 2

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