document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199108>Question 199108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost of 12 gallons of regular gasoline and 18 gallons of premium gasoline is $44.46. Premium costs $.22 more per gallon than regular. What is the cost per gallon of each type of gasoline? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149582 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=149582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 12x+18(x+.22)=44.46<BR>\n" );
document.write( "12x+18x+3.96=44.46<BR>\n" );
document.write( "30x=44.46-3.96<BR>\n" );
document.write( "30x=40.50<BR>\n" );
document.write( "x=40.50/30<BR>\n" );
document.write( "x=1.35 is the price of regular gas per gallon.<BR>\n" );
document.write( "1.35+.22=1.57 is the price of premium gas per gallon.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "12*1.35+18*1.57=44.46<BR>\n" );
document.write( "16.20+28.26=44.47<BR>\n" );
document.write( "44.46=44.46 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );