document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102428>Question 1102428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Five years ago, Jane's age was half of the age she will be in 8 years. How old is she now?\r<BR>\n" );
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document.write( "The time difference between \"5 years ago\" and \"in 8 years\" is 13 years.<br><BR>\n" );
document.write( "If her age 5 years ago is half what it will be in 8 years, then her ages at those two times must be 13 and 26.<br><BR>\n" );
document.write( "So she was 13 5 years ago, which means she is now 18.<br><BR>\n" );
document.write( "Formally...<br><BR>\n" );
document.write( "Let x = her age now<BR>\n" );
document.write( "Then x-5 = her age 5 years ago<BR>\n" );
document.write( "and x+8 = her age in 8 years<br><BR>\n" );
document.write( "Then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x-5+=+%281%2F2%29%28x%2B8%29 ALIGN=MIDDLE  ALT=\"x-5+=+%281%2F2%29%28x%2B8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-10+=+x%2B8 ALIGN=MIDDLE  ALT=\"2x-10+=+x%2B8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+18 ALIGN=MIDDLE  ALT=\"x+=+18\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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