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If y varies inversely as x, and y = 4 when x = 16, find the constant of variation
A.36
B.4
C.20
D.64

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Answer:

[tex]k = 64[/tex]

Step-by-step explanation:

[tex]y = \frac{k}{x} [/tex]

[tex]4 = \frac{k}{16} [/tex]

[tex]4(16) = k[/tex]

[tex]k = 64[/tex]

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