document.write( "Question 608740: When joe was 11 years old, he asked his uncle: how old are you?. His uncle answered: I will be 79 when you are my age. How old was his uncle when Joe was 11 years old? \n" ); document.write( "

Algebra.Com's Answer #383525 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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When Joe was 11 years old, he asked his uncle: how old are you?.
\n" ); document.write( " His uncle answered: I will be 79 when you are my age.
\n" ); document.write( " How old was his uncle when Joe was 11 years old?
\n" ); document.write( ":
\n" ); document.write( "Let a = Uncle's age when J was 11
\n" ); document.write( ":
\n" ); document.write( "let y = number of years for this to be true
\n" ); document.write( ":
\n" ); document.write( "a + y = 79; Uncle + years for this to be true
\n" ); document.write( "a - y = 11; Uncle - years is Joe's age
\n" ); document.write( "-----------
\n" ); document.write( "2a = 90
\n" ); document.write( "a = 45 yrs is uncles present age
\n" ); document.write( ":
\n" ); document.write( "See if that is true
\n" ); document.write( "45 - 11 = 34 yrs for this to be true
\n" ); document.write( "45 + 34 = 79, uncles age in 34 yrs \n" ); document.write( "

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