document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=49764>Question 49764</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780073268620/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Rational expression.  Solve by using a proportion.\r<BR>\n" );
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document.write( "The student-teacher ratio for Washington High was reported to be 27.5 to 1. If there are 42 teachers, then how many students are there?\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 #33016 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=33016\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a/b = c/d [Use the proportion ratio]<BR>\n" );
document.write( "27.5 students/1 teacher = x students/42 teachers [Plug-in the values]<BR>\n" );
document.write( "(27.5)(42)=(1)(x) [Cross-multiply]<BR>\n" );
document.write( "1155 = x [Number of students]<BR>\n" );
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document.write( "Check by plugging all of the values back into the original equation]<BR>\n" );
document.write( "1/b = c/d<BR>\n" );
document.write( "27.5/1 = 1155/42 [Solve each side of the equation]<BR>\n" );
document.write( "27.5 = 27.5 [Checks out] </SPAN>\n" );
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