document.write( "Question 721114: a woman is twice as old as her daughter twenty years ago she was four times as old as her daughter how old are they now \n" ); document.write( "
Algebra.Com's Answer #442210 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a woman is twice as old as her daughter twenty years ago she was four times as old as her daughter how old are they \n" ); document.write( "----- \n" ); document.write( "Equations: \n" ); document.write( "m = 2d \n" ); document.write( "m-20 = 4(d-20) \n" ); document.write( "---- \n" ); document.write( "Substitute for \"m\" and solve for \"d\": \n" ); document.write( "2d-20 = 4d-80 \n" ); document.write( "2d = 60 \n" ); document.write( "daughter = 30 years (daughter's age now) \n" ); document.write( "----------------------- \n" ); document.write( "Solve for \"m\": \n" ); document.write( "m = 2d = 60 years (mother's age now) \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "==================== \n" ); document.write( " |