document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=314289>Question 314289</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Division, April Sales, % Increase Over March<BR>\n" );
document.write( "Parts,     $1100.00,        10%<BR>\n" );
document.write( "Services,  $70,000,         25%\r<BR>\n" );
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document.write( "What was the combined sales revenue in March for the Parts and Services divisions of Jack's Auto Service </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224835 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224835\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> parts in april were 1,100 with an increase of 10% over march.<BR>\n" );
document.write( "services in april were 70,000 with an increase of 25% over march.\r<BR>\n" );
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document.write( "In general, the formula to use is:\r<BR>\n" );
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document.write( "let m = revenue in march.<BR>\n" );
document.write( "let a = revenue in april.\r<BR>\n" );
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document.write( "a * (1+i) = m\r<BR>\n" );
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document.write( "where i is the increase percentage divided by 100%.\r<BR>\n" );
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document.write( "If we divide both sides of this equation by (1+i), then we get:\r<BR>\n" );
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document.write( "m = a / (1+i)\r<BR>\n" );
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document.write( "This says that the march revenue is equal to the april revenue divided by 1 + the increase percent divided by 100%.\r<BR>\n" );
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document.write( "Since parts increase was 10%, then (1+i) would equal 1.10 for parts.\r<BR>\n" );
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document.write( "since services increase was 25%, then (1+i) would equal 1.25 for services.\r<BR>\n" );
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document.write( "For parts, this equation becomes:\r<BR>\n" );
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document.write( "m = 1100 / (1.10)\r<BR>\n" );
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document.write( "For services, this equation becomes:\r<BR>\n" );
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document.write( "m = 70000 / (1.25)\r<BR>\n" );
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document.write( "Resolving these formulas, we get:\r<BR>\n" );
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document.write( "parts in march = 1100/1.10 = 1000<BR>\n" );
document.write( "services in march = 70000/1.25 = 56000\r<BR>\n" );
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document.write( "The total revenue in march is equal to $57,000\r<BR>\n" );
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document.write( "To confirm, we just go in reverse.\r<BR>\n" );
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document.write( "april parts = march parts + 10% which equals 1000 + 100 which equals 1100.<BR>\n" );
document.write( "april services = march services + 25% which equals 56000 + 14000 which equals 70000.\r<BR>\n" );
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document.write( "The answer is confirmed to be accurate so we're good.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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