document.write( "Question 936081: Goods cost a merchant $72. At what price should he mark them so that he may sell them at a discount of 10% from his marked price and still make a profit of 20% on the selling price? \n" ); document.write( "

Algebra.Com's Answer #569525 by josmiceli(19441) $\"\"$ $\"About$

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Let $\"+p+\"$ = the marked price
\n" ); document.write( " $\"+p+-+.1p+=+.9p+\"$ is the price he sells them at
\n" ); document.write( "given:
\n" ); document.write( " $\"+.9p+=+72+%2B+.2%2A72+\"$
\n" ); document.write( "--------------------
\n" ); document.write( " $\"+.9p+=+72+%2B+14.4+\"$
\n" ); document.write( " $\"+.9p+=+86.4+\"$
\n" ); document.write( " $\"+p+=+96+\"$
\n" ); document.write( "He should mark the goods $96
\n" ); document.write( "-------------
\n" ); document.write( "check:
\n" ); document.write( " $\"+96+-+.1%2A96+=+.9%2A98+\"$
\n" ); document.write( " $\"+.9%2A98+=+86.4+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+72+%2B+.2%2A72+=+72+%2B+14.4+\"$
\n" ); document.write( " $\"+72+%2B+14.4+=+86.4+\"$
\n" ); document.write( "OK\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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