document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=485158>Question 485158</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can a tutor be so kind to help solve this problem below?\r<BR>\n" );
document.write( "\n" );
document.write( "A sample of 138 firecrackers contained 7 \"duds\". How many duds would you expect in a sample of 2346 firecrackers? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #331847 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=331847\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A sample of 138 firecrackers contained 7 \"duds\".<BR>\n" );
document.write( " How many duds would you expect in a sample of 2346 firecrackers?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "We can use a ratio equation<BR>\n" );
document.write( "let d = no. of duds in 2346 f.c.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F2346 ALIGN=MIDDLE  ALT=\"d%2F2346\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F138 ALIGN=MIDDLE  ALT=\"7%2F138\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply<BR>\n" );
document.write( "138d = 2346 * 7<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16422%2F138 ALIGN=MIDDLE  ALT=\"16422%2F138\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 119 duds in a sample of 2346 f.c. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );