document.write( "Question 1174189: An article is sold at a discount of 10% and a profit of 20% is made. If the cost price of the article is $3600, find its marked price. \n" ); document.write( "
Algebra.Com's Answer #799623 by Boreal(15235)\"\" \"About 
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cost price is $3600
\n" ); document.write( "profit is 20% of that or 0.2*$3600=$720 so price sold at is $4320
\n" ); document.write( "x is marked price and 0.9x is the marked price with the discount.
\n" ); document.write( "that equals $4320
\n" ); document.write( "so 0.9x=$4320
\n" ); document.write( "x=$4800.
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