document.write( "Question 634099: Jack is 4 times as old as Lacy. 8 years from now the sum of their ages will be 81 . How old are they now? \n" ); document.write( "
Algebra.Com's Answer #399370 by graphmatics(170)\"\" \"About 
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Let x represent Jack's age and y represent Lacy's age. Then
\n" ); document.write( " x=4y
\n" ); document.write( "x+8+y+8=81
\n" ); document.write( "\n" ); document.write( "4y+8+y+8=81
\n" ); document.write( "5y=65
\n" ); document.write( "y=13 so x=52
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