document.write( "Question 20079: if the sales price of an item is $12,590 and that is 20% off the regular price. What is the regular price? Please show me step by step how you get the answer. Thank you \n" ); document.write( "
Algebra.Com's Answer #9685 by kunal_122(19)![]() ![]() ![]() You can put this solution on YOUR website! we use the formula\r \n" ); document.write( "\n" ); document.write( "let x be the regular price.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "now we know that off be discount in this case it is 20% discount.\r \n" ); document.write( "\n" ); document.write( "so \r \n" ); document.write( "\n" ); document.write( "we also know that regular price - regular*0.20=12590\r \n" ); document.write( "\n" ); document.write( "let regular price be x (x has 1 ahead of it)\r \n" ); document.write( "\n" ); document.write( "so x-x*0.20x=12590\r \n" ); document.write( "\n" ); document.write( "that is 1x-0.020x in other words\r \n" ); document.write( "\n" ); document.write( "so 0.80x=12590 \n" ); document.write( "x=15737.5\r \n" ); document.write( "\n" ); document.write( "so regular price is 15737.5\r \n" ); document.write( "\n" ); document.write( "is that what the answer in your textbook say.\r \n" ); document.write( "\n" ); document.write( "regular price - regular*0.20=12590\r \n" ); document.write( "\n" ); document.write( "you can substitue the answr as x and check it. \n" ); document.write( " |