document.write( "Question 1051687: John is 9 years older than Betty. Betty is 10 years old.how old is John \n" ); document.write( "
Algebra.Com's Answer #667142 by stanbon(75887)\"\" \"About 
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John is 9 years older than Betty. Betty is 10 years old.how old is John
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\n" ); document.write( "J = B + 9
\n" ); document.write( "B = 10
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\n" ); document.write( "John = 10 + 9 = 19 yrs
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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