document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=126326>Question 126326</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "I am trying to help my daughter with a math question that she doesn't understand. She lives in another state and gave me the problem over the phone. Math is one of my weaker subjects and her stepfather (who usually helps her) is out of town. The problem she gave me is as follows:<BR>\n" );
document.write( "carbon 14 has 1/2 life of 5,730 years. after 17,190 years 1/8th of carbon 14 in a sample will be left. if 5 grams of carbon 14 are left after 17,190 years how much was in the original sample?<BR>\n" );
document.write( "She said she is working on fraction equations. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #92531 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=92531\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x be the amount of carbon you had in the first place.  You know two things, the amount of carbon remaining is 1/8 of what you started with or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F8 ALIGN=MIDDLE  ALT=\"x%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the amount of carbon remaining is 5 grams.\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F8=5 ALIGN=MIDDLE  ALT=\"x%2F8=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply both sides by 8\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=40 ALIGN=MIDDLE  ALT=\"x=40\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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