document.write( "Question 398133: Alex is 6 years older than Sara. Sixteen years ago, Alex was 1 1/2 times as old as Sara. How old are they now? \n" ); document.write( "
Algebra.Com's Answer #282111 by stanbon(75887)\"\" \"About 
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Alex is 6 years older than Sara. Sixteen years ago, Alex was 1 1/2 times as old as Sara. How old are they now?
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\n" ); document.write( "Equations:
\n" ); document.write( "a = s+6
\n" ); document.write( "(a-16) = (3/2)(s-16)
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\n" ); document.write( "Substitute for \"a\" and solve for \"s\":
\n" ); document.write( "(s+6-16) = (3/2)(s-16)
\n" ); document.write( "2(s-10) = 3s-48
\n" ); document.write( "2s-20 = 3s-48
\n" ); document.write( "s = 28 (Sara's age now)
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\n" ); document.write( "Solve for \"a\":
\n" ); document.write( "a = s+6
\n" ); document.write( "a = 28+6
\n" ); document.write( "a = 34 (Alex's age now)
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\n" ); document.write( "cheers,
\n" ); document.write( "Stan H.\r
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