document.write( "Question 530926: Can you please expplain this to me? A refrigerator was on sale for 20% off. Marcus received an additional 30% of any current price in the store. If he uses the coupon to buy the refrigerator, the price would be $487.20 before taxes. What was the original price? \n" ); document.write( "
Algebra.Com's Answer #350255 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A refrigerator was on sale for 20% off. Marcus received an additional 30% of any current price in the store. If he uses the coupon to buy the refrigerator, the price would be $487.20 before taxes. What was the original price? \n" ); document.write( "---- \n" ); document.write( "Let original price be \"x\": \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "20% off means the price was 0.8x \n" ); document.write( "additional 30% off means the price was 0.7*0.8x\r \n" ); document.write( "\n" ); document.write( "------ \n" ); document.write( "Solve for \"x\": \n" ); document.write( "0.7*0.8x = 487.20 \n" ); document.write( "x = $870 (original price) \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |