document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=387393>Question 387393</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could someone show me how to work this out and find the answer. I am lost.\r<BR>\n" );
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document.write( "All marble bags from Mary's Marble Company have 3 orange marbles for every 4 red marbles. If a bag has 18 orange marbles, how many red marbles are there in the bag? \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 #273847 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=273847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For every 7 marbles, 3 are orange and 4 are red\r<BR>\n" );
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document.write( "If the the bag contains 18 (6*3) orange marbles, it must contain 6*4=24 red marbles\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "3/7 = 18/42<BR>\n" );
document.write( "3/7 = 3/7\r<BR>\n" );
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document.write( "Another way:<BR>\n" );
document.write( "Let x= number of red marbles, then:<BR>\n" );
document.write( "3/4 = 18/x<BR>\n" );
document.write( "3x=72<BR>\n" );
document.write( "x=24<BR>\n" );
document.write( "Hope this helps--ptaylor<BR>\n" );
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