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)![]() ![]() ![]() You can put this solution on YOUR website! 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( "--------- \n" ); document.write( "Equations: \n" ); document.write( "a = s+6 \n" ); document.write( "(a-16) = (3/2)(s-16) \n" ); document.write( "----- \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) \n" ); document.write( "---------------------- \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) \n" ); document.write( "============================ \n" ); document.write( "cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------------------------------- \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |