document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=519471>Question 519471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the cost per ounce of a sunscreen made from 130 oz of lotion that cost $3.46 per ounce and 90 oz of lotion that cost $11.38 per ounce.<BR>\n" );
document.write( "? oz </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #345658 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=345658\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 130 oz of lotion costs  = $3.46 per ounce <BR>\n" );
document.write( "90 oz of lotion  costs  = $11.38 per ounce.<BR>\n" );
document.write( "Mixture costs = x per ounce\r<BR>\n" );
document.write( "\n" );
document.write( "3.46*130+11.38*90 = (90+130)*x<BR>\n" );
document.write( "449.8+1024.2 = 220x<BR>\n" );
document.write( "1474=220x<BR>\n" );
document.write( "1474/220=220x/220<BR>\n" );
document.write( "6.7=x<BR>\n" );
document.write( "x=6.7<BR>\n" );
document.write( "Mixture costs $6.7 per ounce<BR>\n" );
document.write( "   </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );