document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=536175>Question 536175</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a sample of 136 firecrackers contained 5 duds. How many duds would you expect in a sample of 2720 firecrackers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #352172 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=352172\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use ratio ---> duds/firecrackers.<P><BR>\n" );
document.write( "The first ratio is 5 duds to 136 firecracks (5/136).  It must equal the ratio of duds (we don't know, so call this x) to 2720 firecrackers (x/2720).\r<BR>\n" );
document.write( "\n" );
document.write( "5/136=x/2720 (Cross multiply).<P><BR>\n" );
document.write( "136x=5*2720--->136x=13600  (divide both sides by 136)<P><BR>\n" );
document.write( "x=100<BR>\n" );
document.write( "<P><B>I provide online tutoring ($30/hr) and personal problem solving ($3.50-$5.50 per problem.  Contact me (check the profile \"website\" which is my email address.</B><P> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );