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duskowl45

y should also be halved.

For example, if x=4 and y=2, x=2y.
If x is halved for x=2, you get 2=2y, or y=1, which is still one half of x, so the proportion remains the same.

calculista

Answer:

y is also halved

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form \(y/x=k\) or \(y=kx\)

so

If x increases then y increases

If x decreases then y decreases

therefore

If x is halved then y is also halved

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