document.write( "Question 1059079: Ray is 21 years older than his sister Mary. In 7 years, he will be twice as old as Mary. How old is each of them now? \n" ); document.write( "
Algebra.Com's Answer #674172 by Alan3354(69443)\"\" \"About 
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Ray is 21 years older than his sister Mary. In 7 years, he will be twice as old as Mary. How old is each of them now?
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\n" ); document.write( "2x as old and a difference of 21 --> 21 & 42 THEN.
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