document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883587>Question 883587</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nina saved $78.00 in March. That was 20% more than she saved in Feb. How much did Nina save in Feb?\r<BR>\n" );
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document.write( "How to solve this?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533619 by </B><A HREF=/tutors/aboutme.mpl?userid=montecristo73><B>montecristo73(8)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=montecristo73><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=533619\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The problem says that 78 is 20% more than what Nina saved in Feb. \r<BR>\n" );
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document.write( "Since we do not know what is the quantity she saved in Feb let's call that x.\r<BR>\n" );
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document.write( "So, turning this into an equation we have...\r<BR>\n" );
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document.write( "78 = x + x(.20)\r<BR>\n" );
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document.write( "Why x + x(.20)? Because the problem is basically telling us that the sum of what she saved in Feb (x) and 20% of x will result in 78. To find 20% of x we multiply x(.20)\r<BR>\n" );
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document.write( "Now...\r<BR>\n" );
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document.write( "78 = x + .20x\r<BR>\n" );
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document.write( "Let's multiply both sides by 100 to get rid of that nasty decimal.\r<BR>\n" );
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document.write( "7800 = 100x + 20x\r<BR>\n" );
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document.write( "7800 = 120x\r<BR>\n" );
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document.write( "Now it's just a matter of isolating x. We divide each side by 120 which gives us...\r<BR>\n" );
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document.write( "x = 7800/120 \r<BR>\n" );
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document.write( "x = 65\r<BR>\n" );
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document.write( "Verify now...\r<BR>\n" );
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document.write( "65 (what she saved in Feb) plus 20% percent of that should give you 78.\r<BR>\n" );
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document.write( "65 + 65(.20)\r<BR>\n" );
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document.write( "= 65 + 13 \r<BR>\n" );
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document.write( "=78\r<BR>\n" );
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document.write( "Voila! </SPAN>\n" );
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