document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=239274>Question 239274</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need some help with this question. Can you help.<BR>\n" );
document.write( "A woman has $1.70 in dimes and nickels. She has 2 more dimes than nickels. How many nickels does she have? </SPAN>\n" );
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document.write( "A woman has $1.70 in dimes and nickels. She has 2 more dimes than nickels. How many nickels does she have?<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "Quantity Eq:::: d = n + 2<BR>\n" );
document.write( "Value Eq::::: 10d + 5n = 170 cents<BR>\n" );
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document.write( "Substitute d = n+2 into the Value Eq. and solve for \"n\":<BR>\n" );
document.write( "10(n+2) + 5n = 170<BR>\n" );
document.write( "10n+20 + 5n = 170<BR>\n" );
document.write( "15n = 150<BR>\n" );
document.write( "n = 10 (# of nickels)<BR>\n" );
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document.write( "Since d = n+2, d = 12 (# of dimes)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );