Solve for x where P $=$ D$/($k$-$x$).$ Assume P $=20\mathrm{.}00,$ D $=3\mathrm{.}00,$ and k $=10\mathrm{.}00\%.$

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Answer format: Percentage Round to: $2$ decimal places $($Example: $9\mathrm{.}24\%,\%$ sign required. Will accept decimal format rounded to $4$ decimal places $($ex: $0\mathrm{.}0924))$