document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137880>Question 137880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The college paid $1718 for an order of 47 calculators. The store paid $10 for each scientific calculator. The others were all graphing calculators these calculators cost $58 each. How many of each type a calculator were sold?\r<BR>\n" );
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document.write( "Help again please, no clue how this is done. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100808 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100808\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The college paid $1718 for an order of 47 calculators. The store paid $10 for each scientific calculator. The others were all graphing calculators these calculators cost $58 each. How many of each type a calculator were sold?<BR>\n" );
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document.write( "Let x = no. of graphing calcs<BR>\n" );
document.write( "We are told there were a total of 47 calculators therefore:<BR>\n" );
document.write( "(47-x) = no. of scientific calcs<BR>\n" );
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document.write( "Write an equation from the information given<BR>\n" );
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document.write( "cost of x graphing calcs + cost of (47-x) scientific calcs = $1718<BR>\n" );
document.write( "58x + 10(47-x) = 1718<BR>\n" );
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document.write( "Multiply what's inside the brackets:<BR>\n" );
document.write( "58x + 470 - 10x = 1718<BR>\n" );
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document.write( "58x - 10x = 1718 - 470<BR>\n" );
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document.write( "48x = 1248<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1248%2F48 ALIGN=MIDDLE  ALT=\"1248%2F48\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 26 graphing calcs<BR>\n" );
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document.write( "47 - x = <BR>\n" );
document.write( "47 - 26 = 21 scientific calcs<BR>\n" );
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document.write( "Check solutions with total cost equation<BR>\n" );
document.write( "26(58) + 21(10) = <BR>\n" );
document.write( "1508 + 210 = 1718; confirms our solutions </SPAN>\n" );
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