document.write( "Question 566483: Penny is 39 years old and has lived in Pennsylvania for 16 years. How old will penny be when she has lived in Pennsylvania for half of her life? \n" ); document.write( "
Algebra.Com's Answer #366373 by ankor@dixie-net.com(22740)\"\" \"About 
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Penny is 39 years old and has lived in Pennsylvania for 16 years.
\n" ); document.write( " How old will penny be when she has lived in Pennsylvania for half of her life?
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\n" ); document.write( "Let x = no. of yrs for her to have lived half her life in Pa
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\n" ); document.write( "x + 16 = \"1%2F2\"(x+39)
\n" ); document.write( "x + 16 = .5x + 19.5
\n" ); document.write( "x - .5 = 19.5 - 16
\n" ); document.write( ".5x = 3.5
\n" ); document.write( "Multiply both side by 2
\n" ); document.write( "1x = 2(3.5)
\n" ); document.write( "x = 7 yrs,
\n" ); document.write( "therefore
\n" ); document.write( "39 + 7 = 46 yrs old, she will have lived half her life in PA
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\n" ); document.write( "Check this by finding the no. yrs in PA
\n" ); document.write( "7 + 16 = 23 yrs, which is half of 46
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