document.write( "Question 540813: A year ago, a mother was eight as old as her daughter. Now, her age is the square of her daughter's age. How old are they now?
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Algebra.Com's Answer #354045 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! \"A year ago, a mother was eight as old as her daughter\" ___ m - 1 = 8(d - 1) ___ m = 8d - 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"her age is the square of her daughter's age\" ___ m = d^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ (8d - 7) = d^2 ___ 0 = d^2 - 8d + 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "factoring ___ 0 = (d - 7)(d - 1) \n" ); document.write( " |