Respuesta :

The equation that relates x and y is y = 2.5x.

How to solve variation?

The values of x and y vary directly. Therefore,

y α x

where

  • x and y are the variable.

Hence,

y = kx

where

  • k = constant of proportionality.

Therefore,

x = 2

y = 5

5 = 2k

k = 5 / 2

k = 2.5

Hence, the equation that relates x and y are as follows;

y = 2.5x

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