document.write( "Question 396894: Jack is 4 years older than Jill. Seven years from now the sum of their ages will be 72. How old is Jill now? \n" ); document.write( "

Algebra.Com's Answer #283643 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi, 
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document.write( "Jack is 4 years older than Jill
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document.write( "Let x and (x + 4) represent Jill's and Jack's ages NOW  respectively
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document.write( "Question states*** in 7 years...
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document.write( "  (x + 7) + (x + 4 + 7) = 72
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document.write( "Solving for x
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document.write( "       2x = 54
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document.write( "       x =  27, Jill's age NOW.    \r
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document.write( "CHECKING our Answer*** Jack's age NOW is 31.  (27+4)
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document.write( "   34 +  38 = 72   \n" );
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