document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1152702>Question 1152702</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Scientists are conducting an experiment with a gas in a sealed container. The mass of the gas is measured, and the scientists realize that the gas is leaking over time in a linear way. Its mass is leaking by 9.8 grams per minute. Seven minutes since the experiment started, the remaining gas had a mass of 392 grams.<BR>\n" );
document.write( "Let x be the number of minutes that have passed since the experiment started, and let y be the mass of the gas in grams at that moment. Use a linear equation to model the weight of the gas over time. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #774784 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52925)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=774784\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "When you write in your post \" . . . let y be the mass of the gas in grams at that moment\",  which EXACTLY moment do you mean ?\r<BR>\n" );
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document.write( "The moment when experiment started, OR the moment \" . . . x minutes since the experiment started\" ?\r<BR>\n" );
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document.write( "From the post, it is UNCLEAR to me . . . \r<BR>\n" );
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