document.write( "Question 847496: three years ago,Rica was thrice as old as Dandy. three years hence, she will be twice as old. find their present age.
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Algebra.Com's Answer #510480 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! 3*(d-3) = (r-3) \n" ); document.write( "2*(d+3) = (r+3)\r \n" ); document.write( "\n" ); document.write( "3d - 9 = r-3 \n" ); document.write( "2d + 6 = r+3 \n" ); document.write( "------------ \n" ); document.write( "d - 15 = -6\r \n" ); document.write( "\n" ); document.write( "d = 9\r \n" ); document.write( "\n" ); document.write( "3(9) - 9 = r -3\r \n" ); document.write( "\n" ); document.write( "18 = r -3\r \n" ); document.write( "\n" ); document.write( "r = 21\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |