document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=928074>Question 928074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.) A piggy bank contains only quarters and dimes. There are 99 coins with a total value of of $13.65. Determine the number of quarters and dimes.\r<BR>\n" );
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document.write( "2.) The bulk barn sells orange flavoured gummy bears at $7.29/kg and apple flavoured gummy bears at $7.59/kg. How much of each type must be mixed to obtain a mass of 25kg that sells at $7.39/kg? Give your answer correct to 2 decimal points, if necessary.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #563593 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=563593\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A piggy bank contains only quarters and dimes.<BR>\n" );
document.write( "let q = no. of quarters<BR>\n" );
document.write( "let d = no. of dimes<BR>\n" );
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document.write( " There are 99 coins<BR>\n" );
document.write( "q + d = 99<BR>\n" );
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document.write( " with a total value of of $13.65.<BR>\n" );
document.write( ".25q + .10d = 13.65<BR>\n" );
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document.write( " Determine the number of quarters and dimes.<BR>\n" );
document.write( "We can use elimination here. multiply the 2nd equation by 10, subtract the 1st equation<BR>\n" );
document.write( "2.5q + d = 136.5<BR>\n" );
document.write( "  q + d = 99<BR>\n" );
document.write( "-----------------Subtraction eliminates d, find q<BR>\n" );
document.write( "1.5q = 37.5<BR>\n" );
document.write( "q = 37.5/1.5<BR>\n" );
document.write( "q = 25 quarters<BR>\n" );
document.write( "I'll let you find the no. of dimes, check your solutions for q & d in the $$ equation<BR>\n" );
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document.write( "2.) The bulk barn sells orange flavoured gummy bears at $7.29/kg and apple flavoured gummy bears at $7.59/kg.<BR>\n" );
document.write( " How much of each type must be mixed to obtain a mass of 25kg that sells at $7.39/kg? Give your answer correct to 2 decimal points, if necessary.<BR>\n" );
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document.write( "let x = amt of apple g.b required<BR>\n" );
document.write( "the results is to be 25 kg, therefore<BR>\n" );
document.write( "(25-x) = amt of orange g.b<BR>\n" );
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document.write( "A typical mixture equation <BR>\n" );
document.write( "7.59x + 7.29(25-x) = 7.39(25)<BR>\n" );
document.write( "You should be able to solve this yourself now. <BR>\n" );
document.write( "Let me know if you have difficulty. ankor@att.net </SPAN>\n" );
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