document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=161848>Question 161848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob is twice as old as Emma; Kent is 16 years older than Emma; the sum of their ages is 60 years; find the age of each.\r<BR>\n" );
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document.write( "Lets translate this into algebra\r<BR>\n" );
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document.write( "Your variables will be: <BR>\n" );
document.write( "Bob = b<BR>\n" );
document.write( "Emma= e<BR>\n" );
document.write( "Kent= k\r<BR>\n" );
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document.write( "So\r<BR>\n" );
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document.write( "b = 2e<BR>\n" );
document.write( "k = e + 16\r<BR>\n" );
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document.write( "b+e+k=60\r<BR>\n" );
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document.write( "you can only solve one equation if it only has one variable; so lets  try to work with variable e only:<BR>\n" );
document.write( "Since **b=2e  and **k=e + 16 \r<BR>\n" );
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document.write( "then by substitution<BR>\n" );
document.write( "b+e+k=60<BR>\n" );
document.write( "(2e)+e + (e+16)=60<BR>\n" );
document.write( "4e+16=60<BR>\n" );
document.write( "4e=44<BR>\n" );
document.write( "e=11\r<BR>\n" );
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document.write( "Then b=2e=2(11)=22<BR>\n" );
document.write( "k=e+16=11+16=27\r<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "b+e+k=11+22+37=60\r<BR>\n" );
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document.write( " </SPAN>\n" );
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