document.write( "Question 456570: Bill is twice as old as Mary. If he is exactly ten years older than Mary was last year, how old are Bill and Mary? \n" ); document.write( "
Algebra.Com's Answer #313322 by richwmiller(17219)\"\" \"About 
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b=2m
\n" ); document.write( "b=10+(m-1)
\n" ); document.write( "2m=10+m-1
\n" ); document.write( "2m=9+m
\n" ); document.write( "m=9
\n" ); document.write( "b=18
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