document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811707>Question 811707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many nickels are in d dollars?<BR>\n" );
document.write( "n*5=100d\r<BR>\n" );
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document.write( "100d/5=20<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 #488852 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=488852\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n ALIGN=MIDDLE  ALT=\"n\"   DISABLED_style= \"max-width:90%; height:auto;\" >= number of nickels in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2An ALIGN=MIDDLE  ALT=\"5%2An\"   DISABLED_style= \"max-width:90%; height:auto;\" >= value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n ALIGN=MIDDLE  ALT=\"n\"   DISABLED_style= \"max-width:90%; height:auto;\" > nickels, in cents<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2Ad ALIGN=MIDDLE  ALT=\"100%2Ad\"   DISABLED_style= \"max-width:90%; height:auto;\" >= value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars, in cents<BR>\n" );
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document.write( "So the equation is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2An=100%2Ad ALIGN=MIDDLE  ALT=\"5%2An=100%2Ad\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "because the value is the same.<BR>\n" );
document.write( "Or you could write it as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n%2A5=100d ALIGN=MIDDLE  ALT=\"n%2A5=100d\"   DISABLED_style= \"max-width:90%; height:auto;\" > , or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5n=100d ALIGN=MIDDLE  ALT=\"5n=100d\"   DISABLED_style= \"max-width:90%; height:auto;\" > .<BR>\n" );
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document.write( "Anyway, dividing both sides of the equal sign by 5,<BR>\n" );
document.write( "you get equal amounts on both sides again, and you have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2An%2F5=100%2Ad%2F5 ALIGN=MIDDLE  ALT=\"5%2An%2F5=100%2Ad%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > which simplifies to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28n=20d%29 ALIGN=MIDDLE  ALT=\"highlight%28n=20d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That last equation allows you to calculate the amount of nickels in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" > dollars, and that is the answer to your problem.<BR>\n" );
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document.write( "No matter what <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" > is, you just multiply that number of dollars times 20 and you get how many nickels that is.<BR>\n" );
document.write( "You do not need to know algebra to figure that out, because you know that there are 20 nickels in a dollar.<BR>\n" );
document.write( "The beauty of algebra is that if you know how to write a formula like that,<BR>\n" );
document.write( "anyone who can read algebra can make the calculations for you for many different values.<BR>\n" );
document.write( "If you can read algebra, you can work for an engineer calculating his (or her) formulas all day. It can pay nicely.<BR>\n" );
document.write( "If you are the engineer, you write the formulas, and have other people (or a computer) do all the calculations for you, and the engineer gets paid even better.<BR>\n" );
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