document.write( "Question 1127751: jenny is 6 years older than david. david age is three years more than half of jennys age \n" ); document.write( "
Algebra.Com's Answer #744217 by addingup(3677)\"\" \"About 
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D = J-6
\n" ); document.write( "D = 1/2J + 3
\n" ); document.write( "J-6 = 1/2J + 3
\n" ); document.write( "1/2J = 9
\n" ); document.write( "J = 18
\n" ); document.write( "and the problem says that D = J-6 = 18-6 = 12
\n" ); document.write( "Jenny is 18 and David is 12
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\n" ); document.write( "Check:
\n" ); document.write( "David is three years more than half of Jenny's age:
\n" ); document.write( "1/2 Jenny = 1/2(18) = 9 and 9 + 3 = 12 Correct
\n" ); document.write( ":
\n" ); document.write( "Happy learning!
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