document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1151808>Question 1151808</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The total age of three sisters is 79. The youngest is 7 years younger than the middle. The age of the older is twice that of the youngest. What is the age of the middle? </SPAN>\n" );
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document.write( "The total age of three sisters is 79. The youngest is 7 years younger than the middle. The age of the older is twice that of the youngest. What is the age of the middle?<BR>\n" );
document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">Let middle sister's age be M<BR>\n" );
document.write( "Then the youngest's is: M - 7, and the oldest's is: 2(M - 7) = 2M - 14<BR>\n" );
document.write( "The following SUM of AGES equation is formed: M + M - 7 + 2M - 14 = 79<BR>\n" );
document.write( "Solve that for M, the middle sister's age. </SPAN>\n" );
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