document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935350>Question 935350</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the average age of 4 brothers is 12 .if the average age of their mother included the average is increased by 5 years.calculate the age of their mother.... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568539 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=568539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the average age of 4 brothers is 12 .if the average age of their mother included the average is increased by 5 years.calculate the age of their mother....<BR>\n" );
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document.write( "average = (sum of numbers)/(# of numbers)<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "sum of brothers ages/4 = 12<BR>\n" );
document.write( "sum of brothers ages = 48<BR>\n" );
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document.write( "(sum of brothers + mother)/5 = 12+5<BR>\n" );
document.write( "(48 + M) = 5*17<BR>\n" );
document.write( "48 + M = 85<BR>\n" );
document.write( "Mother's age = 37 yrs<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );