document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1042370>Question 1042370</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me slove this mixture\r<BR>\n" );
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document.write( "You need a 10% alcohol solution. On hand, you have a 50 mL of a 30% alcohol mixture. How much pure water will you need to add to obtain the desired solution?\r<BR>\n" );
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document.write( "A) Write an equation using the information as it is given above that can be used to solve this problem. Use <BR>\n" );
document.write( "x<BR>\n" );
document.write( "x as your variable to represent the amount of pure water you need to use.<BR>\n" );
document.write( "Equation:  <BR>\n" );
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document.write( "B) You will need \r<BR>\n" );
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document.write( " mL of pure water <BR>\n" );
document.write( "to obtain \r<BR>\n" );
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document.write( " mL of the desired 10% solution<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 #657365 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=657365\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need a 10% alcohol solution. On hand, you have a 50 mL of a 30% alcohol mixture.<BR>\n" );
document.write( " How much pure water will you need to add to obtain the desired solution?<BR>\n" );
document.write( "A) Write an equation using the information as it is given above that can be used to solve this problem. Use x as your variable to represent the amount of pure water you need to use.<BR>\n" );
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document.write( "The mixture you have is 30% alcohol, therefore it is 70% water. (total is 100%)<BR>\n" );
document.write( "Result is to be 10% alcohol, therefore it is 90% water<BR>\n" );
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document.write( "the equation using the decimal form of percent, based on the amt of water<BR>\n" );
document.write( ".70(50) + x = .90(x+50)<BR>\n" );
document.write( "35 + x = .90x + 45<BR>\n" );
document.write( "x - .9x = 45 - 35<BR>\n" );
document.write( ".10x = 10<BR>\n" );
document.write( "x = 10/.1<BR>\n" );
document.write( "x = 100 ml of pure water required </SPAN>\n" );
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