Question

Suppose j and k vary inversely, and k = 3 when j = 12. Find k when j = 18. A. 2 B. 4 C. 24 D. 36

Answer 1

`\bf \qquad \qquad \textit{inverse proportional variation} \\\\ \textit{\underline{y} varies inversely with \underline{x}} ~\hspace{6em} \stackrel{\textit{constant of variation}}{y=\cfrac{\stackrel{\downarrow }{n}}{x}~\hfill } \\\\[-0.35em] \rule{34em}{0.25pt}`

`\bf \stackrel{\textit{`