document.write( "Question 170035: Mr. Scott is three times as old as Betty. In eight years the sum of their ages will be 64. How old is Betty now? \n" ); document.write( "
Algebra.Com's Answer #125497 by checkley77(12844)\"\" \"About 
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S=3B
\n" ); document.write( "(S+8)+(B+8)=64
\n" ); document.write( "(3B+8)+B+8=64
\n" ); document.write( "4B=64-8-8
\n" ); document.write( "4B=64-16
\n" ); document.write( "4B=48
\n" ); document.write( "B=48/4
\n" ); document.write( "B=12 AGE OF BETTY NOW.
\n" ); document.write( "pROOF:
\n" ); document.write( "3*12+8+12+8=64
\n" ); document.write( "36+28=64
\n" ); document.write( "64=64
\n" ); document.write( "
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