document.write( "Question 546416: After a 30% reduction, you purchase a new sofa on sale for $315. what was the original price of the sofa? \n" ); document.write( "
Algebra.Com's Answer #355974 by mananth(16946)\"\" \"About 
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let the original price =x\r
\n" ); document.write( "\n" ); document.write( "30% off
\n" ); document.write( "so cost is 70%\r
\n" ); document.write( "\n" ); document.write( "0.7x=315
\n" ); document.write( "x= 315/0.7\r
\n" ); document.write( "\n" ); document.write( "original price = $450
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