document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=37654>Question 37654</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0201812487/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Marco has 150 coins, all nickels and dimes. He has 12 more dimes than nickels. How many nickels and how many dimes does he have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #23279 by </B><A HREF=/tutors/aboutme.mpl?userid=junior403><B>junior403(76)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=junior403><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=23279\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Marco has 150 coins, all nickels and dimes. He has 12 more dimes than nickels. How many nickels and how many dimes does he have?\r<BR>\n" );
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document.write( "If we let (n) = the number of nickles...<BR>\n" );
document.write( "We need to show the number of dimes in terms of nickles, so the number of dimes = (n + 12).<BR>\n" );
document.write( "The nickles + dimes = 150.<BR>\n" );
document.write( "So our equation would be...<BR>\n" );
document.write( "n + (n + 12) = 150<BR>\n" );
document.write( "we start by adding like terms...<BR>\n" );
document.write( "n + n = 2n<BR>\n" );
document.write( "so...<BR>\n" );
document.write( "2n + 12 = 150<BR>\n" );
document.write( "Subtract 12 from both sides of the equation...<BR>\n" );
document.write( "2n = 138<BR>\n" );
document.write( "Then divide both sides by 2...<BR>\n" );
document.write( "n = 69<BR>\n" );
document.write( "There are 69 nickles.<BR>\n" );
document.write( "There are 12 more dimes than nickles, so...<BR>\n" );
document.write( "69 + 12 = 81 dimes.<BR>\n" );
document.write( "69 + 81 = 150.<BR>\n" );
document.write( "Good Luck!<BR>\n" );
document.write( "Thanks for the question! </SPAN>\n" );
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