document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897265>Question 897265</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Okay, so I have a word problem that I need some help with I've already tried a few things and I just don't understand how to write it as an equation so that I can solve it:\r<BR>\n" );
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document.write( "PIGGY BANKS: When a child emptied her coin bank, she had a collection of pennies, nickels, and dimes. There were a total of 20 pennies and a combine total of 25 nickels and dimes. if the coins had a total value of 220 cents, how many nickels and dime were in the bank?<BR>\n" );
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document.write( "so I have:<BR>\n" );
document.write( "20 pennies; 25 nickels and dimes = $ .220<BR>\n" );
document.write( "N = nickels<BR>\n" );
document.write( "D = dimes<BR>\n" );
document.write( "VALUE: nickel = 5 cent; dime = 10 cents; penny = 1 cent\r<BR>\n" );
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document.write( "----   number * value = total value\r<BR>\n" );
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document.write( "----   20+5N+10D=220?.... did I write that write, because I don't think I did. I need help writing the right equation so if you could please get back to me.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544058 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=544058\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Okay, so I have a word problem that I need some help with I've already tried a few things and I just don't understand how to write it as an equation so that I can solve it:\r<BR>\n" );
document.write( "\n" );
document.write( "PIGGY BANKS: When a child emptied her coin bank, she had a collection of pennies, nickels, and dimes. There were a total of 20 pennies and a combine total of 25 nickels and dimes. if the coins had a total value of 220 cents, how many nickels and dime were in the bank?<BR>\n" );
document.write( " <BR>\n" );
document.write( "so I have:<BR>\n" );
document.write( "20 pennies; 25 nickels and dimes = $ .220<BR>\n" );
document.write( "N = nickels<BR>\n" );
document.write( "D = dimes<BR>\n" );
document.write( "VALUE: nickel = 5 cent; dime = 10 cents; penny = 1 cent\r<BR>\n" );
document.write( "\n" );
document.write( "----   number * value = total value\r<BR>\n" );
document.write( "\n" );
document.write( "----   20+5N+10D=220?.... did I write that write, because I don't think I did. I need help writing the right equation so if you could please get back to me.<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\"><BR>\n" );
document.write( "Let the number of nickels and dimes be N, and D, respectively<BR>\n" );
document.write( "Since there are a total of 25 nickels and dimes, then we can say that: N + D = 25 ------- eq (i)<BR>\n" );
document.write( "We already know that from the 220 cents, or $2.20, pennies make up 20 cents, or $0.20, so the value<BR>\n" );
document.write( "of the 25 nickels and dimes is 200 cents, or $2<BR>\n" );
document.write( "Therefore, value equation is: .05N + .1D = 2 ------ eq (ii)<BR>\n" );
document.write( "If decimals are a problem, then you can multiply equation (ii) by 20 to get: N + 2D = 40 ------ eq (ii)\r<BR>\n" );
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document.write( "The 2 equations, thus formed are: <BR>\n" );
document.write( "N + D = 25 ------ eq (i)<BR>\n" );
document.write( "N + 2D = 40 ----- eq (ii)<BR>\n" );
document.write( "- D = - 15 ------ Subtracting eq (ii) from eq (i)<BR>\n" );
document.write( "D, or number of dimes = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-+15%29%2F-+1 ALIGN=MIDDLE  ALT=\"%28-+15%29%2F-+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2815%29 ALIGN=MIDDLE  ALT=\"highlight_green%2815%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "N + 15 = 25 ------ Substituting 15 for D in eq (i)<BR>\n" );
document.write( "N, or number of nickels = 25 - 15, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%2810%29 ALIGN=MIDDLE  ALT=\"highlight_green%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can do the check!! \r<BR>\n" );
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document.write( "Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com.<BR>\n" );
document.write( "Further help is available, online or in-person, for a fee, obviously. \r<BR>\n" );
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document.write( "For FREE info and answers to questions about the ASVAB exam, the NYS 3 – 8 city/state wide exams,GENERAL<BR>\n" );
document.write( "MATH and HOMEWORK QUESTIONS, or MATH QUESTIONS related to the Regents Integrated Algebra, <BR>\n" );
document.write( "Regents Geometry, Regents Algebra 2/Trigonometry, SHSAT, COOP/HSPT/TACHS, PSAT, SAT, ACT, SSAT/ISEE,<BR>\n" );
document.write( "GRE, CLEP, and the TASC/GED, you can visit: http://asvabstudyzone.freeforums.net/. </SPAN>\n" );
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