document.write( "Question 219151: Renea is 5 years older than Paula
\n" ); document.write( "Renea is 7 years older than Peter
\n" ); document.write( "Between all 3 there total age is 21
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Algebra.Com's Answer #164905 by checkley77(12844)\"\" \"About 
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R=PA+5 OR PA=R-5
\n" ); document.write( "R=PE+7 OR PE=R-7
\n" ); document.write( "R+PA+PE=21
\n" ); document.write( "R+(R-5)+(R-7)=21
\n" ); document.write( "3R-12=21
\n" ); document.write( "3R=21+12
\n" ); document.write( "3R=33
\n" ); document.write( "R=33/3
\n" ); document.write( "R=11 YEARS OLD.
\n" ); document.write( "PA=11-5=6 YEARS OLD.
\n" ); document.write( "PE=11-7=4 YEARS OLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "11+6+4=21
\n" ); document.write( "21=21\r
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