document.write( "Question 570895: within eleven years, the age of peter will be half the square of the age he was 13 years ago. calculate the current age of peter...and show your work \n" ); document.write( "
Algebra.Com's Answer #367840 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
within eleven years, the age of peter will be half the square of the age he was 13 years ago. calculate the current age of peter...
\n" ); document.write( "---------------
\n" ); document.write( "p-11 = (1/2)(p-13)^2
\n" ); document.write( "2p-22 = p^2-26p+169
\n" ); document.write( "------
\n" ); document.write( "p^2-28p+191 = 0
\n" ); document.write( "----
\n" ); document.write( "Usable solution to avoid negative age:
\n" ); document.write( "p = 16.2361
\n" ); document.write( "===============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );