document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=837661>Question 837661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Emma makes a mixture of lattes at the coffee house. The mixture must contain 25% coffee and the rest milk. If Emma has already made eighteen cups of coffee, how much milk is needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504710 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=504710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 18 cups of coffee represents 25% of the mixture.\r<BR>\n" );
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document.write( "if we let M represent the number of cups of the mixture, we will get the following formula:\r<BR>\n" );
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document.write( "18 = .25 * M\r<BR>\n" );
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document.write( "divide both sides of this equation by .25 to get:<BR>\n" );
document.write( "18 / .25 = M<BR>\n" );
document.write( "simplify to get:<BR>\n" );
document.write( "72 = M\r<BR>\n" );
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document.write( "the result from this formula tells us that M = 72 which means that the number of cups of Latte that can be made is 72 cups.\r<BR>\n" );
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document.write( "since the mixture must contain 25% coffee, this means that the mixture must contain .25 * 72 = 18 cups of coffee.\r<BR>\n" );
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document.write( "it does contain 18 cups of coffee so we're good up to this point.\r<BR>\n" );
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document.write( "if 72 cups of the mixture contains 18 cups of coffee and the rest is milk, then the number of cups of milk in the mixture must be equal to 72 - 18 which is equal to 54.\r<BR>\n" );
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document.write( "the mixture contains 18 cups of coffee and 54 cups of milk.\r<BR>\n" );
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document.write( "54 cups of milk are needed.\r<BR>\n" );
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document.write( "18 cups of coffee represents 25% of the mixture.<BR>\n" );
document.write( "54 cups of milk represents the rest of the mixture which is equal to 75% of the mixture because 25% plus 75% is equal to 100%.\r<BR>\n" );
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document.write( "18/72 = .25 = 25% of the mixture.<BR>\n" );
document.write( "54/72 = .75 = 75% of the mixture.\r<BR>\n" );
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document.write( "your solution is that 54 cups of milk is required to be added to 18 cups of coffee in order to make 72 ounces of a latte mixture.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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