document.write( "Question 1014145: Not sure how to set this formula up. John is older than Bill by half Bill's age. Bill is older than Mary by half Mary's age. How old is Bill? \n" ); document.write( "
Algebra.Com's Answer #630503 by Boreal(15235)\"\" \"About 
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Mary is x years old.
\n" ); document.write( "Bill is 3x/2 years old.
\n" ); document.write( "John is 3x/2+(3x/4) years old. This is (9x/4) years old.
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\n" ); document.write( "example
\n" ); document.write( "Mary is 20
\n" ); document.write( "Bill is 30
\n" ); document.write( "John is 45
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