document.write( "Question 990937: The sum of the ages of Gregory and Marissa is 60 years.6 years ago, Gregory's age was 2 times Marissa's age. How old is Gregory now?
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Algebra.Com's Answer #610921 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The sum of the ages of Gregory and Marissa is 60 years. \n" ); document.write( " \r\n" ); document.write( "So G + M = 60\r\n" ); document.write( " \n" ); document.write( "6 years ago, Gregory's age was 2 times Marissa's age. How old is Gregory now? \n" ); document.write( " \r\n" ); document.write( "6 years ago Gregory was G-6 and Marissa was M-6.\r\n" ); document.write( "\r\n" ); document.write( "So G-6 equals 2 times M-6.\r\n" ); document.write( "\r\n" ); document.write( "So the second equation is G-6 = 2(M-6)\r\n" ); document.write( "\r\n" ); document.write( "So solve the system of equations by first simplifying the second equation:\r\n" ); document.write( "\r\n" ); document.write( "\n" ); document.write( " |