document.write( "Question 737323: A person can buy 3 more copies of a book if the shopkeeper reduces the price by 20% by paying Rs.720. The original price of the book is \n" ); document.write( "
Algebra.Com's Answer #450329 by ankor@dixie-net.com(22740)\"\" \"About 
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A person can buy 3 more copies of a book if the shopkeeper reduces the price by 20% by paying Rs.720.
\n" ); document.write( " The original price of the book is
\n" ); document.write( ":
\n" ); document.write( ".8(3x) = 720
\n" ); document.write( "3x = 720/.8
\n" ); document.write( "3x = 900
\n" ); document.write( "x = $300 original price
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