document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=928846>Question 928846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sparkling-water distributor wants to make up 500 gal of sparkling water to sell for $8.00 per gallon. She wants to mix three grades of water selling for $12.00, $2.00, and $4.50 per gallon, respectively. She must use twice as much of the $4.50 water as the $2.00,water. How many gallons of each should she use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564025 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=564025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = gallons of $2.00 water<BR>\n" );
document.write( "y = gallons of $4.50 water<BR>\n" );
document.write( "z = gallons of $12.00 water<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2.00x + 4.50y + 12.00z = 8.00*500<BR>\n" );
document.write( "x + y + z = 500<BR>\n" );
document.write( "y = 2x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2.00x + 4.50y + 12.00z = 4000<BR>\n" );
document.write( "x + y + z = 500<BR>\n" );
document.write( "2x - y = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x = gallons of $2.00 water = 80<BR>\n" );
document.write( "y = gallons of $4.50 water = 160<BR>\n" );
document.write( "z = gallons of $12.00 water = 260<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );