document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176439>Question 176439</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0974903620/algebrahomeworkh>Teaching Textbooks</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Irving has 10% as many quarters as nickels.  If Irving has $5.25 in quarters and nickels, how many nickels does he have?  \r<BR>\n" );
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document.write( "I first tried to add .10(.25) and .05x (because I don't know how many nickels, but that does not make sense when I try to solve it. I guess I don't understand what \"10% as many\" means. Does he have 10% more quarters? or 10% out of 100% are quarters? Either way, I can't figure out even how to set this problem up!\r<BR>\n" );
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document.write( "Thanks for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131556 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=131556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Irving has 10% as many quarters as nickels.  If Irving has $5.25 in quarters and nickels, how many nickels does he have?  \r<BR>\n" );
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document.write( "I first tried to add .10(.25) and .05x (because I don't know how many nickels, but that does not make sense when I try to solve it. I guess I don't understand what \"10% as many\" means. Does he have 10% more quarters? or 10% out of 100% are quarters? Either way, I can't figure out even how to set this problem up!\r<BR>\n" );
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document.write( "Thanks for your help!\r<BR>\n" );
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document.write( "10% as many quarters means that he has 10% less quarters than nickels. This means that if hypothetically he has 50 nickels, then he would have 5 (10% of 50)quarters.\r<BR>\n" );
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document.write( "Let amount of nickels   =  n\r<BR>\n" );
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document.write( "Then he has 10% of n  =  .1n in quarters\r<BR>\n" );
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document.write( "Since he has $5.25 in nickels and quarters, then we get:\r<BR>\n" );
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document.write( ".05(n) + .25(.1n) = 5.25\r<BR>\n" );
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document.write( ".05n  +  .025n  =  5.25\r<BR>\n" );
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document.write( ".075n  =  5.25\r<BR>\n" );
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document.write( "n  =  5.25/.075\r<BR>\n" );
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document.write( "n  =  70\r<BR>\n" );
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document.write( "He has 70 nickels<BR>\n" );
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