What is the constant of proportionality in the equation y=2.5xy=2.5xy, equals, 2, point, 5, x?

The constant of proportionality in the given equation is, 2.5

Step-by-step explanation:

The direct proportionality states that:

then the equation is in the form of:

.........[1] ; where, k is the constant of proportionality

Given the equation:

On comparing equation [1] we have;

Therefore, the constant of proportionality in the given equation is, 2.5

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