document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=95395>Question 95395</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495188891/algebrahomeworkh>Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> SELLING CALCULATORS  Last month, a bookstore ran an ad for calculators on sale; graphing calculators for $87 and scientific calculators for $18.  Sales of $4980 were generated, with 15 more graphing calculators sold than the scientific calculators.  How many of each type of calculators did the bookstore sell?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #69418 by </B><A HREF=/tutors/aboutme.mpl?userid=sweets420><B>sweets420(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sweets420><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=69418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First we need to make  \"X\" the number of scientific calculators <BR>\n" );
document.write( "Second  X+15 will equal the total of graphing calculators.\r<BR>\n" );
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document.write( "the scientific calculator is $18 so you want to multiply that by X\r<BR>\n" );
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document.write( "the graphing calculator is $87 you will want to multiply 87 times  x+15\r<BR>\n" );
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document.write( "Set up the equation like this:\r<BR>\n" );
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document.write( "equation set up<BR>\n" );
document.write( "$18x + $87(x+15) = $4980         <BR>\n" );
document.write( "   \r<BR>\n" );
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document.write( "first do the multiplication $87(x+15)<BR>\n" );
document.write( "$18x + ($87x + $1305)  = $4980       <BR>\n" );
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document.write( "now add the to variables $18x and $87x<BR>\n" );
document.write( "$105x   + $1305  = $4980  <BR>\n" );
document.write( "      \r<BR>\n" );
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document.write( "now you want to get the variable on one side by itself so you need to subtract $1305 from both sides<BR>\n" );
document.write( "$105x   - $1305  = $4980 - $1305\r<BR>\n" );
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document.write( "Now you need to divide both sides by the variable  105x<BR>\n" );
document.write( "105x    = $3675        \r<BR>\n" );
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document.write( "                                    <BR>\n" );
document.write( "105x = $3675<BR>\n" );
document.write( "____   _____\r<BR>\n" );
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document.write( "105  =  105<BR>\n" );
document.write( "  x = 35   <BR>\n" );
document.write( "      <BR>\n" );
document.write( "35 is the total number of scientific calculators<BR>\n" );
document.write( "                           \r<BR>\n" );
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document.write( "Now you need to add the total of scientific calculators to 15\r<BR>\n" );
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document.write( "35 + 15 = 50      50 is the total of graphing calculators\r<BR>\n" );
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document.write( "                 \r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );