document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=40655>Question 40655</A>: <I><SPAN STYLE=\"word-break: break-all;\">  a survey of 400 people found that 66 were left handed.what percent of those surveyed were left handed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #26043 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=26043\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In solving basic percent problems, remember this formula:\r<BR>\n" );
document.write( "\n" );
document.write( "Part/whole = %/100\r<BR>\n" );
document.write( "\n" );
document.write( "Once you have identified each component or value for this formula, plug-in the values that you know and solve for the unknown.  Or cross multiply and solve for the unknown.\r<BR>\n" );
document.write( "\n" );
document.write( "In your problem the whole total amount is 400 people.  What is the part out of 400?  It would be the 66 left handed people.\r<BR>\n" );
document.write( "\n" );
document.write( "So, plug in the values that we know into the basic formula for percent problems:\r<BR>\n" );
document.write( "\n" );
document.write( "Part/Whole = %/100\r<BR>\n" );
document.write( "\n" );
document.write( "66/400 = x%/100\r<BR>\n" );
document.write( "\n" );
document.write( "I plugged in \"x%\" because this is the unknown variable.  We are looking for x.\r<BR>\n" );
document.write( "\n" );
document.write( "At this point you can either solve for x by multiplying both sides by 100 and simpliying.  Or cross-multiply and solve for x:\r<BR>\n" );
document.write( "\n" );
document.write( "(66)(100) = (x%)(400)\r<BR>\n" );
document.write( "\n" );
document.write( "Simplifying gives:\r<BR>\n" );
document.write( "\n" );
document.write( "6600 = (x%)(400)\r<BR>\n" );
document.write( "\n" );
document.write( "Solving for x gives:\r<BR>\n" );
document.write( "\n" );
document.write( "6600/400 = x%<BR>\n" );
document.write( "16.5 = x%\r<BR>\n" );
document.write( "\n" );
document.write( "So, x = 16.5%\r<BR>\n" );
document.write( "\n" );
document.write( "If 16.6% are left-handed, what percent are right-handed?  How many are right-handed? </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );