document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=924814>Question 924814</A>: <I><SPAN STYLE=\"word-break: break-all;\"> it takes 20 mintes to do 8 math problems. if he has 28 problems how long will it take him  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561157 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=561157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=time it takes him to do 28 math problems<BR>\n" );
document.write( "If it takes 20 minutes to do 8 math problems then he works at the rate of 8/20 of a math problem per minute (8/20th of a math problem per minute times 20 minutes equals 8 math problems).  Soooo our equation to solve is:<BR>\n" );
document.write( "(8/20)*x=28  multiply each side by 20<BR>\n" );
document.write( "8x=560<BR>\n" );
document.write( "x=70 minutes\r<BR>\n" );
document.write( "\n" );
document.write( "CK<BR>\n" );
document.write( "(8/20)*70=560/20=28<BR>\n" );
document.write( "Hopes this helps---ptaylor </SPAN>\n" );
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