document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=175513>Question 175513</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977223/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Mary is three years older than her twin brothers. next year the sum of the ages of the three will be exactly 102 . how old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #130592 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=130592\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the brothers be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > years old.  Then Mary is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+3 ALIGN=MIDDLE  ALT=\"x+%2B+3\"   DISABLED_style= \"max-width:90%; height:auto;\" > years old.  Next year the brothers will each be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+1 ALIGN=MIDDLE  ALT=\"x+%2B+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and Mary will be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+4 ALIGN=MIDDLE  ALT=\"x+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  We are given that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+%2B+4%29+%2B+%28x+%2B+1%29+%2B+%28x+%2B+1%29+=+102 ALIGN=MIDDLE  ALT=\"%28x+%2B+4%29+%2B+%28x+%2B+1%29+%2B+%28x+%2B+1%29+=+102\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Remove parentheses and collect terms:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+%2B+6+=+102 ALIGN=MIDDLE  ALT=\"3x+%2B+6+=+102\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+=+102+-+6+=+96 ALIGN=MIDDLE  ALT=\"3x+=+102+-+6+=+96\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+96%2F3+=+32 ALIGN=MIDDLE  ALT=\"x+=+96%2F3+=+32\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "So the brothers are 32 now and Mary is 35 now.\r<BR>\n" );
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document.write( "Check:  33 + 33 + 36 = 102. </SPAN>\n" );
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