document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1012028>Question 1012028</A>: <I><SPAN STYLE=\"word-break: break-all;\"> maria is now 3 years older than her sister, Ann. Four years ago, Maria's age was one-half Anna's age.How old is each girl now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627859 by </B><A HREF=/tutors/aboutme.mpl?userid=ValorousDawn><B>ValorousDawn(53)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ValorousDawn><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=ValorousDawn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=627859\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Maria's age be m, Ann's age be a.\r<BR>\n" );
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document.write( "Maria is now 3 years older than her sister, Ann. This gives us m=a+3.\r<BR>\n" );
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document.write( "Four years ago, Maria's age was one-half Anna's age. This gives us (m-4)/2=a-4. Divided by two for the one half part. Both m and a have 4 subtracted because both ages are from 4 years ago.\r<BR>\n" );
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document.write( "We can invoke substitution for this problem. Since m=a+3, we get a+3-4/2=a-4.<BR>\n" );
document.write( "a-1=2a-8<BR>\n" );
document.write( "a=7\r<BR>\n" );
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document.write( "If Ann's age is 7, and Maria is three years older, then Maria must be 10. </SPAN>\n" );
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