Question

If x varies inversely as y, then

$\begin{array}{ccc}x& \square & 60\\ y& 2& 10\end{array}$

Answer 1

If x varies inversely as y, then

$xy=k$(constant)$\dots \dots \left(i\right)$

If $x=60$ and $y=10$

$\therefore xy=60\times 10=600$

$\Rightarrow k=600$

when $y=2,$ then from Eq.(i), we have

$x\times 2=k\Rightarrow 2x=600\Rightarrow x=300$