document.write( "Question 522290: Jack is 2 times as old as Lacy. 8 years from now the sum of their ages will be 55. How old are they now? \n" ); document.write( "

Algebra.Com's Answer #347179 by Maths68(1474) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Let
\n" ); document.write( "Present age of Jack = j
\n" ); document.write( "Present age of Lacy = l\r
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\n" ); document.write( "\n" ); document.write( "Jack is 2 times as old as Lacy.
\n" ); document.write( "j=2l........(1)
\n" ); document.write( "8 years from now
\n" ); document.write( "Jack age will be = j + 8
\n" ); document.write( "Lacy age will be = l +8
\n" ); document.write( "Then, the sum of their ages will be 55\r
\n" ); document.write( "\n" ); document.write( "j+8+l+8=55
\n" ); document.write( "j+l+16=55
\n" ); document.write( "j+l=55-16
\n" ); document.write( "j+l=39............(2)\r
\n" ); document.write( "\n" ); document.write( "Put the value of j from (1) to (2)
\n" ); document.write( "2l+l=39
\n" ); document.write( "3l=39
\n" ); document.write( "l=39/3
\n" ); document.write( "l=13\r
\n" ); document.write( "\n" ); document.write( "Put the value of l in (1)
\n" ); document.write( "j=2l
\n" ); document.write( "j=2(13)
\n" ); document.write( "j=26\r
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\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Present age of Jack = j = 26
\n" ); document.write( "Present age of Lacy = l = 13
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