document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638985>Question 638985</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tank at a marine exhibit contains 2000 gallons of sea water. The sea water is 7.5% salt. How many gallons, to the nearest gallon, of fresh water must be added to the tank so that the mixture contains only 7% salt? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402584 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402584\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tank at a marine exhibit contains 2000 gallons of sea water.<BR>\n" );
document.write( " The sea water is 7.5% salt.<BR>\n" );
document.write( "How many gallons, to the nearest gallon, of fresh water must be added to the<BR>\n" );
document.write( " tank so that the mixture contains only 7% salt?<BR>\n" );
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document.write( "Let x = amt of fresh water required to accomplish this<BR>\n" );
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document.write( "remember, the amt of salt stays the same only the per cent changes<BR>\n" );
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document.write( ".075(2000) = .07(x+2000)<BR>\n" );
document.write( "150 = .07x + 140<BR>\n" );
document.write( "150 - 140 = .07x<BR>\n" );
document.write( "10 = .07x<BR>\n" );
document.write( "x = 10/.07<BR>\n" );
document.write( "x = 142.857 ~ 143 gallons of fresh water required. </SPAN>\n" );
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