document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=64234>Question 64234</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/093979862x/algebrahomeworkh>An Incremental Development</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hamburgers cost $2 each and pizzas cost $6 each. If the number of hamburgers was 2 more than twice the number of pizzas, and a total of $84 was spent, how many hamburgers and how many pizzas were purchased?\r<BR>\n" );
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document.write( "thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #44955 by </B><A HREF=/tutors/aboutme.mpl?userid=303795><B>303795(602)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=303795><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=44955\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call the number of pizza x. The number of hamburgers must be 2x + 2.<BR>\n" );
document.write( "The cost of pizzas at $6 will be 6x and the cost of hamburgers at $2 will be 2(2x + 2)<BR>\n" );
document.write( "The cost should therefore be<BR>\n" );
document.write( "6x + 2(2x + 2) = 84<BR>\n" );
document.write( "6x + 4x + 4 = 84<BR>\n" );
document.write( "10x + 4 = 84<BR>\n" );
document.write( "10x + 4 - 4 = 84 - 4<BR>\n" );
document.write( "10x = 80<BR>\n" );
document.write( "x = 8<BR>\n" );
document.write( "so 8 pizzas were purchased and 18 hamburgers </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );