document.write( "Question 966437: the mean age of four women is 19year 11month. When a fifth woman joins them, the average age of all five is 20year 7month. How old is the fifth woman? \n" ); document.write( "
Algebra.Com's Answer #590696 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
the mean age if four women is 19yr 11month.
\n" ); document.write( " When the fifth woman joins them, the average age of all five is 20yr 7month.
\n" ); document.write( " How old is the fifth woman.
\n" ); document.write( ":
\n" ); document.write( "Convert the ages to months
\n" ); document.write( "19(12) + 11 = 239 mon
\n" ); document.write( "20(12) + 7 = 247 mon
\n" ); document.write( ":
\n" ); document.write( "let x = age of the 5th woman in monts
\n" ); document.write( "\"%28%284%28239%29%2Bx%29%29%2F5\" = 247
\n" ); document.write( "956 + x = 247 * 5
\n" ); document.write( "x = 1235 - 956
\n" ); document.write( "x = 279 month is the age of the 5th girl
\n" ); document.write( "Find the age in yrs using long division; 279/12
\n" ); document.write( "I got 23 yrs, 3 months \n" ); document.write( "
\n" );