document.write( "Question 1085835: A is 5 years older than Y. B is double A's age. A+B+Y <30.
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document.write( "What is B's greatest possible age? \n" );
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Algebra.Com's Answer #699926 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make Y = x \n" ); document.write( "A = 5 + x \n" ); document.write( "B = 2(5 + x) \n" ); document.write( "Y = x \n" ); document.write( "A = 5 + x \n" ); document.write( "B = 10 + 2x \n" ); document.write( "Add up \n" ); document.write( "x + x + 5 + 10 + 2x < 30 \n" ); document.write( "Collect like terms \n" ); document.write( "x + x + 2x < 30 - 5 - 10 \n" ); document.write( "4x < 15 \n" ); document.write( "x < 15/4 \n" ); document.write( "x < 3.5 years \n" ); document.write( "B < 10 + 2(3.5) \n" ); document.write( "B < 17 \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |