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If y varies inversely as x and y= -5 when x=12.5, find x when y=15.
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If y varies inversely as x and y= -5 when x=12.5, find x when y=15.

User Fadhly Permata
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According to the question statement y varies inversely as x. It means that when x increases, y decreases and vice versa.

We can use a rule of 3 (inversely) this way:

The answer is -4.16.

If y varies inversely as x and y= -5 when x=12.5, find x when y=15.-example-1
User Violet Giraffe
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