document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238733>Question 238733</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The car costs $12590 and is 20% off. What was the original price?<BR>\n" );
document.write( "answer $15737.50\r<BR>\n" );
document.write( "\n" );
document.write( "no comprendo. please explain! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175406 by </B><A HREF=/tutors/aboutme.mpl?userid=JimboP1977><B>JimboP1977(311)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JimboP1977><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=JimboP1977><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=175406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ok do you understand what 20% off something means?\r<BR>\n" );
document.write( "\n" );
document.write( "It means that 20% of that price is taken away from its original price.\r<BR>\n" );
document.write( "\n" );
document.write( "So we are saying that the original price minus 20% of its original price equals its new price.\r<BR>\n" );
document.write( "\n" );
document.write( "A good rule to remember is to find a percentage of something: find 1% first and then multiply by the percentage you want to find.\r<BR>\n" );
document.write( "\n" );
document.write( "For example if you want to find 20% of the original price you would divide the original price by 100 to get 1% and then multliply by 20 to get 20%\r<BR>\n" );
document.write( "\n" );
document.write( "Mathematically:\r<BR>\n" );
document.write( "\n" );
document.write( "x = original price<BR>\n" );
document.write( "y = new price\r<BR>\n" );
document.write( "\n" );
document.write( "x-(20/100)*x = y\r<BR>\n" );
document.write( "\n" );
document.write( "So in the question we know y but do not know x. So we need to rearrange to find x.\r<BR>\n" );
document.write( "\n" );
document.write( "Take the common factor out of x\r<BR>\n" );
document.write( "\n" );
document.write( "x(1-(20/100)) = y\r<BR>\n" );
document.write( "\n" );
document.write( "x(4/5) = y\r<BR>\n" );
document.write( "\n" );
document.write( "x = y/(4/5)\r<BR>\n" );
document.write( "\n" );
document.write( "x = 12590/(4/5)\r<BR>\n" );
document.write( "\n" );
document.write( "x = 15737.5\r<BR>\n" );
document.write( "\n" );
document.write( "Another way to think about is is that the original price multiplied by 80% (100%-20%) equals the reduced price?\r<BR>\n" );
document.write( "\n" );
document.write( "Does that help? Or is it more confusing? Please get back to me. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );