document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181287>Question 181287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> could someone please show me how to solve these 2 problems :\r<BR>\n" );
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document.write( "The problem states,Solve for the unknown (X) in the following proportions:\r<BR>\n" );
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document.write( "1) 2/10 = 16/x  x =\r<BR>\n" );
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document.write( "2) 7/30 = x/90  x =\r<BR>\n" );
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document.write( "Thank you so much in advance  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135917 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=135917\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1)<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2F10+=+16%2Fx+ ALIGN=MIDDLE  ALT=\"+2%2F10+=+16%2Fx+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "cross multiply which means the number in the denominator of one fraction is multiplied by the number in the numerator of the other fraction. This is done form BOTH fractions and those are equal to each other. You then solve for the unknown<BR>\n" );
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document.write( "10(16)=2(x)<BR>\n" );
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document.write( "2x=160<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=80%29 ALIGN=MIDDLE  ALT=\"highlight%28x=80%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F30+=+x%2F90 ALIGN=MIDDLE  ALT=\"7%2F30+=+x%2F90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "30(x)=90(7)<BR>\n" );
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document.write( "30x=630<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=21%29 ALIGN=MIDDLE  ALT=\"highlight%28x=21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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