document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1198810>Question 1198810</A>: <I><SPAN STYLE=\"word-break: break-all;\"> bobs mom is 4 times older than him.How old is he if the product oof their ages are 400?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #832455 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=832455\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "b = bob's age<BR>\n" );
document.write( "4b = his mom's age\r<BR>\n" );
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document.write( "b*4b = product of their ages = 4b^2<BR>\n" );
document.write( "4b^2 = 400<BR>\n" );
document.write( "b^2 = 400/4<BR>\n" );
document.write( "b^2 = 100<BR>\n" );
document.write( "b = sqrt(100)<BR>\n" );
document.write( "b = 10<BR>\n" );
document.write( "Bob is 10 years old and his mother is 40\r<BR>\n" );
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document.write( "Check:<BR>\n" );
document.write( "10*40 = 400<BR>\n" );
document.write( "The answers are confirmed.<BR>\n" );
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