document.write( "Question 550016: Nobody knows how old Aunt Helen is nut she gave a few hints. She passed 1/20 of her life before she started school. She spent 3/20 of her life in school; She worked for 1/10 of her life before she got married. She was married for 2/5 of her life. Her husband died after 7/10 of her life. From reading uncle Harry's gravestone you find out that she has been a widow for 24 years. How old is aunt Helen? \n" ); document.write( "
Algebra.Com's Answer #358323 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! She passed 1/20 of her life before she started school. \n" ); document.write( " She spent 3/20 of her life in school; \n" ); document.write( " She worked for 1/10 of her life before she got married. \n" ); document.write( " She was married for 2/5 of her life. \n" ); document.write( " Her husband died after 7/10 of her life. \n" ); document.write( " From reading uncle Harry's gravestone you find out that she has been a widow for 24 years. \n" ); document.write( " How old is aunt Helen? \n" ); document.write( ": \n" ); document.write( "Let a = Helen's present age \n" ); document.write( ": \n" ); document.write( "From the statement \"Her husband died after 7/10 of her life.\" \n" ); document.write( "and \n" ); document.write( "\"she has been a widow for 24 years.\" (we can ignore the other statements); \n" ); document.write( "a = \n" ); document.write( "a - \n" ); document.write( " \n" ); document.write( "3a = 10*24 \n" ); document.write( "3a = 240 \n" ); document.write( "a = 240/3 \n" ); document.write( "a = 80 yrs old is Helen\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |