Find X If Y Varies Inversely As Twice X And Y Is 5 When X Is 1/5

Find x if y varies inversely as twice x and y is 5 when x is 1/5

 

Answer:

"y varies inversely as twice x"

Inverse variation equation:

y = k/2x  

Where "k" is the constant of variation

Find k when y=5, and x=1/5:

y = k/2x

5 = k/(2)(1/5)

k = (5)(2/5)

k = 2

Note: To solve for y when x is given and k=2 or to solve for x when y is given and k=2, use the inverse equation stated above.


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