document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72964>Question 72964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the mass of an object varies jointly within its density and its volume. If 156 grams of iron has a volume of 20 cm^3 and a density of 7.8 gm/cm^3, what is the volume of 312 grams of iron with the same density?\r<BR>\n" );
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document.write( "Answer:(blank)cu.cm. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #52253 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=52253\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the mass of an object varies jointly within its density and its volume. If 156 grams of iron has a volume of 20 cm^3 and a density of 7.8 gm/cm^3, what is the volume of 312 grams of iron with the same density? <BR>\n" );
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document.write( "m = k dv<BR>\n" );
document.write( "156 = k*7.8*20<BR>\n" );
document.write( "k=156/156<BR>\n" );
document.write( "k=1<BR>\n" );
document.write( "EQUATION<BR>\n" );
document.write( "m = dv<BR>\n" );
document.write( "312 = 7.8v<BR>\n" );
document.write( "v= 40 cm^3<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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