document.write( "Question 1207381: A car dealer, at a year-end clearance, reduces the list price of last year’s models by 15%.If a certain four-door model has a discounted price of $8000,what was its list price? How much can be saved by purchasing last year’s model?\r
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document.write( "I need the correct equation set up.\r
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document.write( "Thanks. \n" );
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Algebra.Com's Answer #845230 by ikleyn(52777)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Let x be the original price before the discount.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Then the governing equation to find x from the problem is\r\n" ); document.write( "\r\n" ); document.write( " (1-0.15)x = 8000,\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "or, which is the same\r\n" ); document.write( "\r\n" ); document.write( " 0.85x = 8000.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "It gives x =\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Comment from student : You provided two equations in your reply. I have two questions about the first equation. \n" ); document.write( "You said: (1-0.15)x = 8000 Questions: 1. What information in the word problem indicates to subtract 15% from 1? \n" ); document.write( "2. Does the number 1 inside the parentheses represent 100%? If so, you did 100% - 15% = 85% = 0.15. Yes?\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "My response: Your suggestions/(guesses) are correct.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I am very glad that by straining your mind, you were able to figure this out on your own. \n" ); document.write( "It is my major goal at this forum - to awaken the brain of visitors.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, I thought that it is clear and obvious to \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |