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Y varies inversely as x. y=12 when x=7. Find y when x=2

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We write as an inverse proportion first then make an equation by multiplying by k:


y=(k)/(x)\Rightarrow k=x* y

Find the value of k:


k=7*12=84

Then, when x = 2, y is:


y=(84)/(2)=42

Answer: y = 42

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