document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=89688>Question 89688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A donut shop sells a box of 7 cream-filled and 5 jelly donuts for $6.32, and a box of 4 cream filled and 8 jelly donuts for $6.08.  Find the cost of a single cream filled and a single jelly donut\".\r<BR>\n" );
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document.write( "I know it's 2 variables and 2 equations.  I have it set up like this\r<BR>\n" );
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document.write( "7x + 5y = 6.32<BR>\n" );
document.write( "4x + 8y = 6.08\r<BR>\n" );
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document.write( "I was thinking to get rid of the decimals by mult by 100.  I need some help please and maybe step by step instructions.  Thank you so much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #65145 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=65145\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1st: 7x + 5y = 6.32<BR>\n" );
document.write( "2nd: 4x + 8y = 6.08 <BR>\n" );
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document.write( "Multiply 1st by 4 and 2nd by 7 to get:<BR>\n" );
document.write( "3rd: 28x + 20y = 4*6.32<BR>\n" );
document.write( "4th: 28x + 56y = 7*6.08<BR>\n" );
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document.write( "Substract 3rd from 4th and solve for y:<BR>\n" );
document.write( "36y = 7*6.08-4*6.32<BR>\n" );
document.write( "y = 0.48<BR>\n" );
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document.write( "Substitute in 7x+5y=6.32 to solve for x<BR>\n" );
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document.write( "I'll leave the rest to you but x=0.56<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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