document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1191852>Question 1191852</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Michael and Janet are 10 years apart in age. In 24 months Michael will be twice as old as Janet. How old is Janet now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #823702 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=823702\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "j = Janet's age currently<BR>\n" );
document.write( "j+10 = Michael's age currently<BR>\n" );
document.write( "Whatever number j is, add 10 to get Michael's age.<BR>\n" );
document.write( "The two are always separated by a gap of 10 years.\r<BR>\n" );
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document.write( "12 months = 1 year<BR>\n" );
document.write( "2*12 months = 2*1 year<BR>\n" );
document.write( "24 months = 2 years\r<BR>\n" );
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document.write( "In 2 years time, we have these future ages<BR>\n" );
document.write( "Janet = j+2<BR>\n" );
document.write( "Michael = (j+10)+2 = j+12\r<BR>\n" );
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document.write( "At this future point in time, Michael is twice as old as Janet<BR>\n" );
document.write( "Michael's future age = 2*(Janet's future age)<BR>\n" );
document.write( "j+12 = 2*(j+2)<BR>\n" );
document.write( "j+12 = 2j+4<BR>\n" );
document.write( "12-4 = 2j-j<BR>\n" );
document.write( "8 = j<BR>\n" );
document.write( "<font color=red>j = 8<BR>\n" );
document.write( "Janet is currently 8 years old</font>\r<BR>\n" );
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document.write( "Michael is currently j+10 = 8+10 = 18 years old.\r<BR>\n" );
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document.write( "In 2 years, we have these future ages<BR>\n" );
document.write( "Janet = 8+2 = 10<BR>\n" );
document.write( "Michael = 18+2 = 20<BR>\n" );
document.write( "we see that Michael is indeed twice as old as Janet at this point (20 = 10*2).<BR>\n" );
document.write( "The answer has been confirmed.\r<BR>\n" );
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document.write( "Here's another approach:\r<BR>\n" );
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document.write( "j = Janet's age 2 years into the future<BR>\n" );
document.write( "j+10 = Michael's age 2 years into the future\r<BR>\n" );
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document.write( "Michael's future age = 2*(Janet's future age)<BR>\n" );
document.write( "j+10 = 2*(j)<BR>\n" );
document.write( "j+10 = 2j<BR>\n" );
document.write( "10 = 2j-j<BR>\n" );
document.write( "10 = j<BR>\n" );
document.write( "j = 10<BR>\n" );
document.write( "This says Janet will be 10 years old when we fast forward two years into the future.<BR>\n" );
document.write( "Rewinding two years back, to get to the present day, gets us to 10-2 = <font color=red>8 as the final answer.</font>\r<BR>\n" );
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document.write( "This method effectively follows the same idea as the previous section. <BR>\n" );
document.write( "Except this time, the frame of reference starts off based in the future at first before rewinding back. \r<BR>\n" );
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document.write( "Answer: <font color=red>8 years old</font><BR>\n" );
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