document.write( "Question 4645: Please explain and say not to look at other lessons because I don't know what you're talking about and it's not helping me. Just explain and work it out in middle school mode on here (not in college terms):\r
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document.write( "A pair of jeans sells for $36 after a 25% discount. What is the original price of the jeans? \n" );
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Algebra.Com's Answer #2196 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! Look at the \"lessons\" on this site. Once there, look for percentages. Anyway...\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let original price be x. It is this that is reduced by 25% to give a sale price of $36.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, what is 25% of x? since we have to find this and then take it away from x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "25% means \"25 percent\" ie \"25 out of 100\" ie 25/100. \n" ); document.write( "Of means multiply...so: 25% of x is (25/100)*x --> 0.25x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we have to take this away from the original price (x), so we get x-0.25x and this now equals 36.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x-0.25x=36 \n" ); document.write( "0.75x = 36 \n" ); document.write( "x = 36/0.75 \n" ); document.write( "x = 48\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So, the answer is $48.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon. \n" ); document.write( " \n" ); document.write( " |