document.write( "Question 1104263: The sum of three numbers is 84
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document.write( "The second number is 2 times the first.
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document.write( "The third number is 16 less than the second.
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document.write( "What is the second number? \n" );
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Algebra.Com's Answer #719017 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! The sum of three numbers is 84 \n" ); document.write( "a + b+ c = 84 \n" ); document.write( "The second number is 2 times the first. \n" ); document.write( "b = 2a \n" ); document.write( "or \n" ); document.write( "a = \n" ); document.write( "The third number is 16 less than the second. \n" ); document.write( "c = b - 16 \n" ); document.write( "What is the second number? \n" ); document.write( "Replace a and c in the 1st equation \n" ); document.write( " \n" ); document.write( "2 \n" ); document.write( "b = 100/2.5 \n" ); document.write( "b = 40 then \n" ); document.write( "a = 20 \n" ); document.write( "c = 40-16 \n" ); document.write( "c = 24 \n" ); document.write( ": \n" ); document.write( "Check: 20 + 40 + 24 = 84 \n" ); document.write( " \n" ); document.write( " |