document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=958839>Question 958839</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A gas station sells three types of gas: Regular for $2.90 a gallon, Performance Plus for $3.05 a gallon, and Premium for $3.20 a gallon. On a particular day 5000 gallons of gas were sold for a total of $14,920. Three times as many gallons of Regular as Premium gas were sold. How many gallons of each type of gas were sold that day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586215 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=586215\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A gas station sells three types of gas: Regular for $2.90 a gallon, Performance Plus for $3.05 a gallon, and Premium for $3.20 a gallon. <BR>\n" );
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document.write( "On a particular day 5000 gallons of gas were sold for a total of $14,920. Three times as many gallons of Regular as Premium gas were sold. How many gallons of each type of gas were sold that day?<BR>\n" );
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document.write( "r + pp + p = 5000 gallons<BR>\n" );
document.write( "2.9r + 3.05pp + 3.20p = 14920<BR>\n" );
document.write( "r = 3p<BR>\n" );
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document.write( "Substitute::<BR>\n" );
document.write( "4p + pp = 5000<BR>\n" );
document.write( "11.9p + 3.05pp = 14920<BR>\n" );
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document.write( "Modify::<BR>\n" );
document.write( "12.2p + 3.05pp = 15250<BR>\n" );
document.write( "11.9p + 3.05pp = 14920<BR>\n" );
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document.write( "Subtract:<BR>\n" );
document.write( "0.3p = 330<BR>\n" );
document.write( "p = 1100 (# of gallons of Premium sold)<BR>\n" );
document.write( "r = 3p = 3300 (# of gallons of regular sold)<BR>\n" );
document.write( "pp = 5000 - 4400 = 600 (# of gallons of Premium Plus sold)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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