Variation Equations Calculator

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abcdefghijklmnopqrstuvwxyzvaries directly asvaries inversely asvaries directly as the square ofvaries directly as the cube ofvaries directly as the square root ofvaries inversely as the square ofvaries inversely as the cube ofvaries inversely as the square root ofabcdefghijklmnopqrstuvwxyz

 when 

<-- Given

The following practice problem has been generated for you:
y varies directly as x, and y = 17 when x = 19, solve for y when x = 18