document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206860>Question 206860</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A farmer has 252 kg of apples. The apples are put into 2 kg and 5 kg bags. If the farmer uses twice the number of 5 kg bags as 2 kg bags, how many bags are used altogether?\r<BR>\n" );
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document.write( "(A) 21 (B) 42 (C) 56 (D) 63 (E) 70 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156471 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=156471\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A farmer has 252 kg of apples. The apples are put into 2 kg and 5 kg bags. If the farmer uses twice the number of 5 kg bags as 2 kg bags, how many bags are used altogether? <BR>\n" );
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document.write( "Let x = no. of 5 kg bags<BR>\n" );
document.write( "Let y = no. of 2 kg bags<BR>\n" );
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document.write( "\"A farmer has 252 kg of apples. \"<BR>\n" );
document.write( "5x + 2y = 252<BR>\n" );
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document.write( "\" twice the number of 5 kg bags as 2 kg bags,\"<BR>\n" );
document.write( "x = 2y<BR>\n" );
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document.write( " how many bags are used altogether? <BR>\n" );
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document.write( "Replace x with 2y in the 1st equation:<BR>\n" );
document.write( "5(2y) + 2y = 252<BR>\n" );
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document.write( "A total of: 21 + 42 = 63<BR>\n" );
document.write( "10y + 2y = 252<BR>\n" );
document.write( "12y = 252<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=252%2F12 ALIGN=MIDDLE  ALT=\"252%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y = 21 ea 2 kg bag<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2(21) = 42 ea 5 kg bags<BR>\n" );
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document.write( "Total: 42 + 21 = 63 bags<BR>\n" );
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document.write( "Check solution:<BR>\n" );
document.write( "5(42) + 2(21) = <BR>\n" );
document.write( "210 + 42 = 252 </SPAN>\n" );
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