document.write( "Question 260215: A supermarket advertised a sale of 75% off, and afterwards, the price of a pen was $4. What was the original price of a pen before the sale? \n" ); document.write( "
Algebra.Com's Answer #191702 by checkley77(12844)\"\" \"About 
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(1-.75)X=4
\n" ); document.write( ".25X=4
\n" ); document.write( "X=4/.25
\n" ); document.write( "X=$16 WAS THE ORIGINAL PRICE OF THE PEN.
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