document.write( "Question 836238: two numbers are in the ratio of two to seven, and their difference is sixty. find the numbers.\r
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document.write( "thank you so much! \n" );
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Algebra.Com's Answer #504040 by LinnW(1048) You can put this solution on YOUR website! x = first number \n" ); document.write( "y = second number x/y = 2/7 \n" ); document.write( "x - y = 60 \n" ); document.write( "add y to each side \n" ); document.write( "x = y + 60 \n" ); document.write( "substitute (y + 60) for x in x/y = 2/7 \n" ); document.write( " \n" ); document.write( "do cross products \n" ); document.write( "7y = 2(y+60) \n" ); document.write( "7y = 2y + 120 \n" ); document.write( "add -2y to each side \n" ); document.write( "5y = 120 \n" ); document.write( "y = 24 \n" ); document.write( "since x = y + 60 \n" ); document.write( "x = 24 + 60 \n" ); document.write( "x = 84 \n" ); document.write( "Since 24/84 = 2/7 we check out. \n" ); document.write( " |